Excellent Carbon Monoxide Detectors. Reviews September, 2021, page 9

Smoke and Carbon Combination Carbon Monoxide and Smoke Detector CO Detector, Monoxide Detector Combo with Sound Warning and LCD Display Battery Operated Smoke CO Alarm

Search only VARWANEO brand name
Smoke and Carbon Combination Carbon Monoxide and Smoke Detector CO Detector, Monoxide Detector Combo with Sound Warning and LCD Display Battery Operated Smoke CO Alarm

Current price: 24.88 USD


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  • Simple to Use & Easy Installation: The test/silence button operation of this smoke carbon monoxide alarm enables you to test the alarm weekly, easily silence when false alarms. Battery powered 2-in-1 carbon monoxide fire alarm with the included screws, anchor plugs ,requires no rewiring, easy to mount on any wall or ceiling.
  • When the space height is 6 meters to 12 meters, the protection area of one detector is 861sq ft for the general protection site; when the space height is 6 meters or less, the protection area is 645sq ft. For families with more gas safety hazards, it is recommended to choose 3 pieces to place in different rooms and locations.
  • After starting the machine, it will enter standby mode under normal working conditions. If the device working fine, the green light is on once in 40 seconds; The yellow light indicates that the device is malfunctioning, and the screen will also prompt a "bdEr" error; In the alarm state, and the red light flashes quickly.
  • LCD Display:The smoke carbon monoxide alarm combo's LCD digit indicates real-time carbon monoxide (CO) concentration in the surrounding air, as well as the battery levels. A low battery warning (“LB”)lets you know it is time to change the battery; a smoke warning (“HHH”) lets you know that a smoke fire is happening.
  • 2-in-1 Highly Sensitive Alarm: Combination smoke alarm and carbon monoxide alarm has a built-in intelligent chipset. The photoelectric smoke sensor and electrochemical CO sensor with the Intelligent Real-time Monitoring System complies with UL 217 and UL 2034 standards, which ensures the highest level of safety and reliability. The highly Sensitive 2-in-1 co and smoke alarm combo is accurate and reliable, suitable for house, bedroom, living room, garage, hotel, indoor, vehicles, factory.

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X-Sense 10-Year Battery (Not Hardwired) Combination Smoke and Carbon Monoxide Detector Alarm, Dual Sensor Smoke CO Alarm Complies with UL 217 & UL 2034 Standards, Auto-Check, SC03

Search only X-Sense brand name
X-Sense 10-Year Battery (Not Hardwired) Combination Smoke and Carbon Monoxide Detector Alarm, Dual Sensor Smoke CO Alarm Complies with UL 217 & UL 2034 Standards, Auto-Check, SC03

Current price: 37.99 USD


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Height: 2 Inches

Length: 5.7 Inches

Width: 5.7 Inches

Weight: 0.68 Pounds

Warranty: 60-day money-back guarantee, 5-year quality warranty, and lifetime technical support

  • Simple to Use & Easy Installation: The test/silence button operation of this smoke carbon monoxide alarm enables you to test the alarm weekly, easily silence when false alarms. Battery powered 2-in-1 carbon monoxide fire alarm with the included screws, anchor plugs ,requires no rewiring, easy to mount on any wall or ceiling.
  • When the space height is 6 meters to 12 meters, the protection area of one detector is 861sq ft for the general protection site; when the space height is 6 meters or less, the protection area is 645sq ft. For families with more gas safety hazards, it is recommended to choose 3 pieces to place in different rooms and locations.
  • After starting the machine, it will enter standby mode under normal working conditions. If the device working fine, the green light is on once in 40 seconds; The yellow light indicates that the device is malfunctioning, and the screen will also prompt a "bdEr" error; In the alarm state, and the red light flashes quickly.
  • LCD Display:The smoke carbon monoxide alarm combo's LCD digit indicates real-time carbon monoxide (CO) concentration in the surrounding air, as well as the battery levels. A low battery warning (“LB”)lets you know it is time to change the battery; a smoke warning (“HHH”) lets you know that a smoke fire is happening.
  • 2-in-1 Highly Sensitive Alarm: Combination smoke alarm and carbon monoxide alarm has a built-in intelligent chipset. The photoelectric smoke sensor and electrochemical CO sensor with the Intelligent Real-time Monitoring System complies with UL 217 and UL 2034 standards, which ensures the highest level of safety and reliability. The highly Sensitive 2-in-1 co and smoke alarm combo is accurate and reliable, suitable for house, bedroom, living room, garage, hotel, indoor, vehicles, factory.
  • EASY INSTALLATION WITH QUALITY: X-SENSE smoke carbon monoxide alarm combo requires no rewiring; easy to mount on any wall or ceiling without an electrician; all X-SENSE carbon monoxide alarm and smoke alarm are rigorously tested to meet UL 217 and UL 2034 safety standards; comes with a lifetime customer support
  • SIMPLE TO USE: The test/silence button of this smoke alarm carbon monoxide alarm enables you to test the alarm weekly, and to easily silence the alarm when false alarms occur; malfunction and low battery warnings allow you to easily know the working status of the alarm; in case of an emergency, an alarm tone of over 85 dB will instantly alert the entire household, even those in sleep
  • HIGH ACCURACY AND SENSITIVITY: X-SENSE carbon monoxide fire alarm is equipped with combination photoelectric smoke and electrochemical CO sensors that work independently of each other; instantly notifies you when dangerous smoke or CO concentration is detected; provides the ultimate protection from 2 deadly threats, all contained in 1 unit
  • ALARM TYPES FOR MORE CONVENIENT: Different alarm patterns of this carbon monoxide alarm and smoke alarm tell you it is either smoke or carbon monoxide is detected without checking the LCD display; smoke alarm: delivers 3 long beeps every 1.5 seconds and the red LED flashes with the alarm sound; CO alarm: delivers 4 quick beeps every 5. 8 seconds and the red LED flashes with the alarm sound
  • 10-YEAR BATTERY LIFE: This combination smoke alarm and carbon monoxide alarm provides 10 years of continuous power with a built-in lithium battery; provides continuous monitoring of smoke and CO levels, even if there's a power failure; an end-of-life signal will let you know when it’s time to replace the unit for safety

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MOSUO Smoke and Carbon Monoxide Detector, Smoke Alarm 10 Year Lithium Battery Operated, Dual Sensor Smoke CO Alarm Complies with UL 217 & UL 2034 Standards, Auto-Check

Search only MOSUO brand name
MOSUO Smoke and Carbon Monoxide Detector, Smoke Alarm 10 Year Lithium Battery Operated, Dual Sensor Smoke CO Alarm Complies with UL 217 & UL 2034 Standards, Auto-Check

Current price: 25.99 USD

Saving: $3.00 (10%)


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  • Simple to Use & Easy Installation: The test/silence button operation of this smoke carbon monoxide alarm enables you to test the alarm weekly, easily silence when false alarms. Battery powered 2-in-1 carbon monoxide fire alarm with the included screws, anchor plugs ,requires no rewiring, easy to mount on any wall or ceiling.
  • When the space height is 6 meters to 12 meters, the protection area of one detector is 861sq ft for the general protection site; when the space height is 6 meters or less, the protection area is 645sq ft. For families with more gas safety hazards, it is recommended to choose 3 pieces to place in different rooms and locations.
  • After starting the machine, it will enter standby mode under normal working conditions. If the device working fine, the green light is on once in 40 seconds; The yellow light indicates that the device is malfunctioning, and the screen will also prompt a "bdEr" error; In the alarm state, and the red light flashes quickly.
  • LCD Display:The smoke carbon monoxide alarm combo's LCD digit indicates real-time carbon monoxide (CO) concentration in the surrounding air, as well as the battery levels. A low battery warning (“LB”)lets you know it is time to change the battery; a smoke warning (“HHH”) lets you know that a smoke fire is happening.
  • 2-in-1 Highly Sensitive Alarm: Combination smoke alarm and carbon monoxide alarm has a built-in intelligent chipset. The photoelectric smoke sensor and electrochemical CO sensor with the Intelligent Real-time Monitoring System complies with UL 217 and UL 2034 standards, which ensures the highest level of safety and reliability. The highly Sensitive 2-in-1 co and smoke alarm combo is accurate and reliable, suitable for house, bedroom, living room, garage, hotel, indoor, vehicles, factory.
  • EASY INSTALLATION WITH QUALITY: X-SENSE smoke carbon monoxide alarm combo requires no rewiring; easy to mount on any wall or ceiling without an electrician; all X-SENSE carbon monoxide alarm and smoke alarm are rigorously tested to meet UL 217 and UL 2034 safety standards; comes with a lifetime customer support
  • SIMPLE TO USE: The test/silence button of this smoke alarm carbon monoxide alarm enables you to test the alarm weekly, and to easily silence the alarm when false alarms occur; malfunction and low battery warnings allow you to easily know the working status of the alarm; in case of an emergency, an alarm tone of over 85 dB will instantly alert the entire household, even those in sleep
  • HIGH ACCURACY AND SENSITIVITY: X-SENSE carbon monoxide fire alarm is equipped with combination photoelectric smoke and electrochemical CO sensors that work independently of each other; instantly notifies you when dangerous smoke or CO concentration is detected; provides the ultimate protection from 2 deadly threats, all contained in 1 unit
  • ALARM TYPES FOR MORE CONVENIENT: Different alarm patterns of this carbon monoxide alarm and smoke alarm tell you it is either smoke or carbon monoxide is detected without checking the LCD display; smoke alarm: delivers 3 long beeps every 1.5 seconds and the red LED flashes with the alarm sound; CO alarm: delivers 4 quick beeps every 5. 8 seconds and the red LED flashes with the alarm sound
  • 10-YEAR BATTERY LIFE: This combination smoke alarm and carbon monoxide alarm provides 10 years of continuous power with a built-in lithium battery; provides continuous monitoring of smoke and CO levels, even if there's a power failure; an end-of-life signal will let you know when it’s time to replace the unit for safety
  • [What you will get] 1 Smoke and carbon monoxide detector + 1 user manual + 1 mounting bracket + 2 screws + 2 anchor plugs.
  • [85dB Buzzer & LED Warning] Our carbon monoxide alarm has 85dB loud buzzer and warn people with rapid flashing red indicator light. You can hear the alarm in the range of 20~40 square meters to help you and your family get more escape time even when you are sleeping. The LED light and fire alarm will continue until the smoke and carbon monoxide detector is cleared or the test button is released.
  • [Easy to Install and Use] No need for rewiring, as the battery operated carbon monoxide smoke detector is easy and secure to install with the included screws, anchor plugs, and mounting bracket to effortlessly install it on ceiling. Can be placed in RV, bedrooms, hallways, finished basements, living room and in mobile homes.
  • [10-Year Battery Life & Certified Quality] The 10 year lithium ion battery of smoke detector and carbon monoxide detector is permanently built in and tamper proof. When the low battery alert appears, yellow flash once every 60 seconds and loud buzzer. Our smoke detector battery operated are produced under the UL 217 & UL 2034 standards, which ensures the highest level of safety and reliability.
  • [2 in 1 Smoke and Carbon Monoxide Detector] Equipped with an ultra reliable photoelectric sensor and electrochemical carbon monoxide sensing technology, the smoke alarm alerts you to carbon monoxide danger. The smoke detector tests itself constantly and timely informs when it is short circuited on disconnected or low battery, which provides reliable uninterrupted 365/24 protection for you and your family.

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Klein Tools ET110 CO Meter, Carbon Monoxide Tester and Detector with Exposure Limit Alarm, 4 x AAA Batteries and Carry Pouch Included

Search only Klein Tools brand name
Klein Tools ET110 CO Meter, Carbon Monoxide Tester and Detector with Exposure Limit Alarm, 4 x AAA Batteries and Carry Pouch Included

Current price: 118.54 USD


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Height: 2.16 Inches

Length: 7.74 Inches

Width: 1.46 Inches

Weight: 0.31875 Pounds

  • Simple to Use & Easy Installation: The test/silence button operation of this smoke carbon monoxide alarm enables you to test the alarm weekly, easily silence when false alarms. Battery powered 2-in-1 carbon monoxide fire alarm with the included screws, anchor plugs ,requires no rewiring, easy to mount on any wall or ceiling.
  • When the space height is 6 meters to 12 meters, the protection area of one detector is 861sq ft for the general protection site; when the space height is 6 meters or less, the protection area is 645sq ft. For families with more gas safety hazards, it is recommended to choose 3 pieces to place in different rooms and locations.
  • After starting the machine, it will enter standby mode under normal working conditions. If the device working fine, the green light is on once in 40 seconds; The yellow light indicates that the device is malfunctioning, and the screen will also prompt a "bdEr" error; In the alarm state, and the red light flashes quickly.
  • LCD Display:The smoke carbon monoxide alarm combo's LCD digit indicates real-time carbon monoxide (CO) concentration in the surrounding air, as well as the battery levels. A low battery warning (“LB”)lets you know it is time to change the battery; a smoke warning (“HHH”) lets you know that a smoke fire is happening.
  • 2-in-1 Highly Sensitive Alarm: Combination smoke alarm and carbon monoxide alarm has a built-in intelligent chipset. The photoelectric smoke sensor and electrochemical CO sensor with the Intelligent Real-time Monitoring System complies with UL 217 and UL 2034 standards, which ensures the highest level of safety and reliability. The highly Sensitive 2-in-1 co and smoke alarm combo is accurate and reliable, suitable for house, bedroom, living room, garage, hotel, indoor, vehicles, factory.
  • EASY INSTALLATION WITH QUALITY: X-SENSE smoke carbon monoxide alarm combo requires no rewiring; easy to mount on any wall or ceiling without an electrician; all X-SENSE carbon monoxide alarm and smoke alarm are rigorously tested to meet UL 217 and UL 2034 safety standards; comes with a lifetime customer support
  • SIMPLE TO USE: The test/silence button of this smoke alarm carbon monoxide alarm enables you to test the alarm weekly, and to easily silence the alarm when false alarms occur; malfunction and low battery warnings allow you to easily know the working status of the alarm; in case of an emergency, an alarm tone of over 85 dB will instantly alert the entire household, even those in sleep
  • HIGH ACCURACY AND SENSITIVITY: X-SENSE carbon monoxide fire alarm is equipped with combination photoelectric smoke and electrochemical CO sensors that work independently of each other; instantly notifies you when dangerous smoke or CO concentration is detected; provides the ultimate protection from 2 deadly threats, all contained in 1 unit
  • ALARM TYPES FOR MORE CONVENIENT: Different alarm patterns of this carbon monoxide alarm and smoke alarm tell you it is either smoke or carbon monoxide is detected without checking the LCD display; smoke alarm: delivers 3 long beeps every 1.5 seconds and the red LED flashes with the alarm sound; CO alarm: delivers 4 quick beeps every 5. 8 seconds and the red LED flashes with the alarm sound
  • 10-YEAR BATTERY LIFE: This combination smoke alarm and carbon monoxide alarm provides 10 years of continuous power with a built-in lithium battery; provides continuous monitoring of smoke and CO levels, even if there's a power failure; an end-of-life signal will let you know when it’s time to replace the unit for safety
  • [What you will get] 1 Smoke and carbon monoxide detector + 1 user manual + 1 mounting bracket + 2 screws + 2 anchor plugs.
  • [85dB Buzzer & LED Warning] Our carbon monoxide alarm has 85dB loud buzzer and warn people with rapid flashing red indicator light. You can hear the alarm in the range of 20~40 square meters to help you and your family get more escape time even when you are sleeping. The LED light and fire alarm will continue until the smoke and carbon monoxide detector is cleared or the test button is released.
  • [Easy to Install and Use] No need for rewiring, as the battery operated carbon monoxide smoke detector is easy and secure to install with the included screws, anchor plugs, and mounting bracket to effortlessly install it on ceiling. Can be placed in RV, bedrooms, hallways, finished basements, living room and in mobile homes.
  • [10-Year Battery Life & Certified Quality] The 10 year lithium ion battery of smoke detector and carbon monoxide detector is permanently built in and tamper proof. When the low battery alert appears, yellow flash once every 60 seconds and loud buzzer. Our smoke detector battery operated are produced under the UL 217 & UL 2034 standards, which ensures the highest level of safety and reliability.
  • [2 in 1 Smoke and Carbon Monoxide Detector] Equipped with an ultra reliable photoelectric sensor and electrochemical carbon monoxide sensing technology, the smoke alarm alerts you to carbon monoxide danger. The smoke detector tests itself constantly and timely informs when it is short circuited on disconnected or low battery, which provides reliable uninterrupted 365/24 protection for you and your family.
  • Backlit display with CO measurements (0 to 1000 ppm) and temperature (Farenheit and Celcius)
  • Audible and visual alarms
  • Low level alarm (35 ppm) and high level alarm (200 ppm)
  • Portable CO detector with user protection and short-term exposure limit (STEL) alarm
  • Easy-to-use CO meter detects and measures concentration levels of carbon monoxide gas

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2 Pack 10 Year Battery Operated Smoke and Carbon Monoxide Detector, Portable Fire Co Alarm for Home and Kitchen

Search only Lecoolife brand name
2 Pack 10 Year Battery Operated Smoke and Carbon Monoxide Detector, Portable Fire Co Alarm for Home and Kitchen

Current price: 44.99 USD


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  • Simple to Use & Easy Installation: The test/silence button operation of this smoke carbon monoxide alarm enables you to test the alarm weekly, easily silence when false alarms. Battery powered 2-in-1 carbon monoxide fire alarm with the included screws, anchor plugs ,requires no rewiring, easy to mount on any wall or ceiling.
  • When the space height is 6 meters to 12 meters, the protection area of one detector is 861sq ft for the general protection site; when the space height is 6 meters or less, the protection area is 645sq ft. For families with more gas safety hazards, it is recommended to choose 3 pieces to place in different rooms and locations.
  • After starting the machine, it will enter standby mode under normal working conditions. If the device working fine, the green light is on once in 40 seconds; The yellow light indicates that the device is malfunctioning, and the screen will also prompt a "bdEr" error; In the alarm state, and the red light flashes quickly.
  • LCD Display:The smoke carbon monoxide alarm combo's LCD digit indicates real-time carbon monoxide (CO) concentration in the surrounding air, as well as the battery levels. A low battery warning (“LB”)lets you know it is time to change the battery; a smoke warning (“HHH”) lets you know that a smoke fire is happening.
  • 2-in-1 Highly Sensitive Alarm: Combination smoke alarm and carbon monoxide alarm has a built-in intelligent chipset. The photoelectric smoke sensor and electrochemical CO sensor with the Intelligent Real-time Monitoring System complies with UL 217 and UL 2034 standards, which ensures the highest level of safety and reliability. The highly Sensitive 2-in-1 co and smoke alarm combo is accurate and reliable, suitable for house, bedroom, living room, garage, hotel, indoor, vehicles, factory.
  • EASY INSTALLATION WITH QUALITY: X-SENSE smoke carbon monoxide alarm combo requires no rewiring; easy to mount on any wall or ceiling without an electrician; all X-SENSE carbon monoxide alarm and smoke alarm are rigorously tested to meet UL 217 and UL 2034 safety standards; comes with a lifetime customer support
  • SIMPLE TO USE: The test/silence button of this smoke alarm carbon monoxide alarm enables you to test the alarm weekly, and to easily silence the alarm when false alarms occur; malfunction and low battery warnings allow you to easily know the working status of the alarm; in case of an emergency, an alarm tone of over 85 dB will instantly alert the entire household, even those in sleep
  • HIGH ACCURACY AND SENSITIVITY: X-SENSE carbon monoxide fire alarm is equipped with combination photoelectric smoke and electrochemical CO sensors that work independently of each other; instantly notifies you when dangerous smoke or CO concentration is detected; provides the ultimate protection from 2 deadly threats, all contained in 1 unit
  • ALARM TYPES FOR MORE CONVENIENT: Different alarm patterns of this carbon monoxide alarm and smoke alarm tell you it is either smoke or carbon monoxide is detected without checking the LCD display; smoke alarm: delivers 3 long beeps every 1.5 seconds and the red LED flashes with the alarm sound; CO alarm: delivers 4 quick beeps every 5. 8 seconds and the red LED flashes with the alarm sound
  • 10-YEAR BATTERY LIFE: This combination smoke alarm and carbon monoxide alarm provides 10 years of continuous power with a built-in lithium battery; provides continuous monitoring of smoke and CO levels, even if there's a power failure; an end-of-life signal will let you know when it’s time to replace the unit for safety
  • [What you will get] 1 Smoke and carbon monoxide detector + 1 user manual + 1 mounting bracket + 2 screws + 2 anchor plugs.
  • [85dB Buzzer & LED Warning] Our carbon monoxide alarm has 85dB loud buzzer and warn people with rapid flashing red indicator light. You can hear the alarm in the range of 20~40 square meters to help you and your family get more escape time even when you are sleeping. The LED light and fire alarm will continue until the smoke and carbon monoxide detector is cleared or the test button is released.
  • [Easy to Install and Use] No need for rewiring, as the battery operated carbon monoxide smoke detector is easy and secure to install with the included screws, anchor plugs, and mounting bracket to effortlessly install it on ceiling. Can be placed in RV, bedrooms, hallways, finished basements, living room and in mobile homes.
  • [10-Year Battery Life & Certified Quality] The 10 year lithium ion battery of smoke detector and carbon monoxide detector is permanently built in and tamper proof. When the low battery alert appears, yellow flash once every 60 seconds and loud buzzer. Our smoke detector battery operated are produced under the UL 217 & UL 2034 standards, which ensures the highest level of safety and reliability.
  • [2 in 1 Smoke and Carbon Monoxide Detector] Equipped with an ultra reliable photoelectric sensor and electrochemical carbon monoxide sensing technology, the smoke alarm alerts you to carbon monoxide danger. The smoke detector tests itself constantly and timely informs when it is short circuited on disconnected or low battery, which provides reliable uninterrupted 365/24 protection for you and your family.
  • Backlit display with CO measurements (0 to 1000 ppm) and temperature (Farenheit and Celcius)
  • Audible and visual alarms
  • Low level alarm (35 ppm) and high level alarm (200 ppm)
  • Portable CO detector with user protection and short-term exposure limit (STEL) alarm
  • Easy-to-use CO meter detects and measures concentration levels of carbon monoxide gas
  • Safety and 5 year Warranty: Low battery signal alarm and "end of life"warning ensures the detector can work normal. Environment friendly, without smell, radiation or harm. If any problem, contact with us without hesitation, we will reply to you asap.
  • Easy Install and Use: The alarm can easily install with mounting bracket. No hardwired anymore, very convenient to install at home or bedroom - wall mount, screws included.
  • Test/Silence Button: Tests the unit for proper operation and resets the smoke and carbon monoxide alarm, Alarm Volume: Loud > 85dB(A) at 1 meters. Loud 85-decibel alarm is designed to be heard easily. Pls kindly press if false alarm.
  • LCD Display: Clearly indicates real-time carbon monoxide (CO) concentration in the surrounding air, as well as the remaining battery life and working status of the alarm
  • 2-in-1 Accurate, Reliable & Highly Sensitive Alarm: Equipped with both photoelectric smoke sensor and electrochemical CO sensor that work independently of each other; every second counts; detects both fast and slow-burning fires, and instantly notifies you when dangerous smoke or CO concentration is detected while minimizing false alarms; provides the ultimate protection from 2 deadly threats, all contained in 1 unit

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Combination Smoke and Carbon Monoxide Detector Alarm Digital Display for Travel Home Bedroom and Kitchen 9V Battery Operated

Search only JNHCD brand name
Combination Smoke and Carbon Monoxide Detector Alarm Digital Display for Travel Home Bedroom and Kitchen 9V Battery Operated

Current price: 18.99 USD


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  • Simple to Use & Easy Installation: The test/silence button operation of this smoke carbon monoxide alarm enables you to test the alarm weekly, easily silence when false alarms. Battery powered 2-in-1 carbon monoxide fire alarm with the included screws, anchor plugs ,requires no rewiring, easy to mount on any wall or ceiling.
  • When the space height is 6 meters to 12 meters, the protection area of one detector is 861sq ft for the general protection site; when the space height is 6 meters or less, the protection area is 645sq ft. For families with more gas safety hazards, it is recommended to choose 3 pieces to place in different rooms and locations.
  • After starting the machine, it will enter standby mode under normal working conditions. If the device working fine, the green light is on once in 40 seconds; The yellow light indicates that the device is malfunctioning, and the screen will also prompt a "bdEr" error; In the alarm state, and the red light flashes quickly.
  • LCD Display:The smoke carbon monoxide alarm combo's LCD digit indicates real-time carbon monoxide (CO) concentration in the surrounding air, as well as the battery levels. A low battery warning (“LB”)lets you know it is time to change the battery; a smoke warning (“HHH”) lets you know that a smoke fire is happening.
  • 2-in-1 Highly Sensitive Alarm: Combination smoke alarm and carbon monoxide alarm has a built-in intelligent chipset. The photoelectric smoke sensor and electrochemical CO sensor with the Intelligent Real-time Monitoring System complies with UL 217 and UL 2034 standards, which ensures the highest level of safety and reliability. The highly Sensitive 2-in-1 co and smoke alarm combo is accurate and reliable, suitable for house, bedroom, living room, garage, hotel, indoor, vehicles, factory.
  • EASY INSTALLATION WITH QUALITY: X-SENSE smoke carbon monoxide alarm combo requires no rewiring; easy to mount on any wall or ceiling without an electrician; all X-SENSE carbon monoxide alarm and smoke alarm are rigorously tested to meet UL 217 and UL 2034 safety standards; comes with a lifetime customer support
  • SIMPLE TO USE: The test/silence button of this smoke alarm carbon monoxide alarm enables you to test the alarm weekly, and to easily silence the alarm when false alarms occur; malfunction and low battery warnings allow you to easily know the working status of the alarm; in case of an emergency, an alarm tone of over 85 dB will instantly alert the entire household, even those in sleep
  • HIGH ACCURACY AND SENSITIVITY: X-SENSE carbon monoxide fire alarm is equipped with combination photoelectric smoke and electrochemical CO sensors that work independently of each other; instantly notifies you when dangerous smoke or CO concentration is detected; provides the ultimate protection from 2 deadly threats, all contained in 1 unit
  • ALARM TYPES FOR MORE CONVENIENT: Different alarm patterns of this carbon monoxide alarm and smoke alarm tell you it is either smoke or carbon monoxide is detected without checking the LCD display; smoke alarm: delivers 3 long beeps every 1.5 seconds and the red LED flashes with the alarm sound; CO alarm: delivers 4 quick beeps every 5. 8 seconds and the red LED flashes with the alarm sound
  • 10-YEAR BATTERY LIFE: This combination smoke alarm and carbon monoxide alarm provides 10 years of continuous power with a built-in lithium battery; provides continuous monitoring of smoke and CO levels, even if there's a power failure; an end-of-life signal will let you know when it’s time to replace the unit for safety
  • [What you will get] 1 Smoke and carbon monoxide detector + 1 user manual + 1 mounting bracket + 2 screws + 2 anchor plugs.
  • [85dB Buzzer & LED Warning] Our carbon monoxide alarm has 85dB loud buzzer and warn people with rapid flashing red indicator light. You can hear the alarm in the range of 20~40 square meters to help you and your family get more escape time even when you are sleeping. The LED light and fire alarm will continue until the smoke and carbon monoxide detector is cleared or the test button is released.
  • [Easy to Install and Use] No need for rewiring, as the battery operated carbon monoxide smoke detector is easy and secure to install with the included screws, anchor plugs, and mounting bracket to effortlessly install it on ceiling. Can be placed in RV, bedrooms, hallways, finished basements, living room and in mobile homes.
  • [10-Year Battery Life & Certified Quality] The 10 year lithium ion battery of smoke detector and carbon monoxide detector is permanently built in and tamper proof. When the low battery alert appears, yellow flash once every 60 seconds and loud buzzer. Our smoke detector battery operated are produced under the UL 217 & UL 2034 standards, which ensures the highest level of safety and reliability.
  • [2 in 1 Smoke and Carbon Monoxide Detector] Equipped with an ultra reliable photoelectric sensor and electrochemical carbon monoxide sensing technology, the smoke alarm alerts you to carbon monoxide danger. The smoke detector tests itself constantly and timely informs when it is short circuited on disconnected or low battery, which provides reliable uninterrupted 365/24 protection for you and your family.
  • Backlit display with CO measurements (0 to 1000 ppm) and temperature (Farenheit and Celcius)
  • Audible and visual alarms
  • Low level alarm (35 ppm) and high level alarm (200 ppm)
  • Portable CO detector with user protection and short-term exposure limit (STEL) alarm
  • Easy-to-use CO meter detects and measures concentration levels of carbon monoxide gas
  • Safety and 5 year Warranty: Low battery signal alarm and "end of life"warning ensures the detector can work normal. Environment friendly, without smell, radiation or harm. If any problem, contact with us without hesitation, we will reply to you asap.
  • Easy Install and Use: The alarm can easily install with mounting bracket. No hardwired anymore, very convenient to install at home or bedroom - wall mount, screws included.
  • Test/Silence Button: Tests the unit for proper operation and resets the smoke and carbon monoxide alarm, Alarm Volume: Loud > 85dB(A) at 1 meters. Loud 85-decibel alarm is designed to be heard easily. Pls kindly press if false alarm.
  • LCD Display: Clearly indicates real-time carbon monoxide (CO) concentration in the surrounding air, as well as the remaining battery life and working status of the alarm
  • 2-in-1 Accurate, Reliable & Highly Sensitive Alarm: Equipped with both photoelectric smoke sensor and electrochemical CO sensor that work independently of each other; every second counts; detects both fast and slow-burning fires, and instantly notifies you when dangerous smoke or CO concentration is detected while minimizing false alarms; provides the ultimate protection from 2 deadly threats, all contained in 1 unit
  • Battery operated device Can be easily installed and maintained without the need for an electrician.
  • Dual high stability sensors- Minimize carbon monoxide and smoke detector alarm false positive.
  • When carbon monoxide and smoke rise to alarm levels, the 85 dB alarm provides a clear, loud warning when it is discovered.
  • Understand the surrounding environment in real time - smoke detector and carbon monoxide detector Indicator lights on the face of the unit display the presence of smoke or carbon monoxide.
  • 2 in 1 smoke detector/carbon monoxide alarm, well used in the place of carbon monoxide gas leakage and fire place, well guarantee personal safety.

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USI Electric MICN109 Hardwired 3-in-1 Smoke, Carbon Monoxide and Natural Gas Alarm

Search only Universal Security Instruments brand name
USI Electric MICN109 Hardwired 3-in-1 Smoke, Carbon Monoxide and Natural Gas Alarm

Current price: 54.99 USD


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Height: 5.5 Inches

Length: 5.5 Inches

Width: 1.75 Inches

Weight: 0.6 Pounds

  • Simple to Use & Easy Installation: The test/silence button operation of this smoke carbon monoxide alarm enables you to test the alarm weekly, easily silence when false alarms. Battery powered 2-in-1 carbon monoxide fire alarm with the included screws, anchor plugs ,requires no rewiring, easy to mount on any wall or ceiling.
  • When the space height is 6 meters to 12 meters, the protection area of one detector is 861sq ft for the general protection site; when the space height is 6 meters or less, the protection area is 645sq ft. For families with more gas safety hazards, it is recommended to choose 3 pieces to place in different rooms and locations.
  • After starting the machine, it will enter standby mode under normal working conditions. If the device working fine, the green light is on once in 40 seconds; The yellow light indicates that the device is malfunctioning, and the screen will also prompt a "bdEr" error; In the alarm state, and the red light flashes quickly.
  • LCD Display:The smoke carbon monoxide alarm combo's LCD digit indicates real-time carbon monoxide (CO) concentration in the surrounding air, as well as the battery levels. A low battery warning (“LB”)lets you know it is time to change the battery; a smoke warning (“HHH”) lets you know that a smoke fire is happening.
  • 2-in-1 Highly Sensitive Alarm: Combination smoke alarm and carbon monoxide alarm has a built-in intelligent chipset. The photoelectric smoke sensor and electrochemical CO sensor with the Intelligent Real-time Monitoring System complies with UL 217 and UL 2034 standards, which ensures the highest level of safety and reliability. The highly Sensitive 2-in-1 co and smoke alarm combo is accurate and reliable, suitable for house, bedroom, living room, garage, hotel, indoor, vehicles, factory.
  • EASY INSTALLATION WITH QUALITY: X-SENSE smoke carbon monoxide alarm combo requires no rewiring; easy to mount on any wall or ceiling without an electrician; all X-SENSE carbon monoxide alarm and smoke alarm are rigorously tested to meet UL 217 and UL 2034 safety standards; comes with a lifetime customer support
  • SIMPLE TO USE: The test/silence button of this smoke alarm carbon monoxide alarm enables you to test the alarm weekly, and to easily silence the alarm when false alarms occur; malfunction and low battery warnings allow you to easily know the working status of the alarm; in case of an emergency, an alarm tone of over 85 dB will instantly alert the entire household, even those in sleep
  • HIGH ACCURACY AND SENSITIVITY: X-SENSE carbon monoxide fire alarm is equipped with combination photoelectric smoke and electrochemical CO sensors that work independently of each other; instantly notifies you when dangerous smoke or CO concentration is detected; provides the ultimate protection from 2 deadly threats, all contained in 1 unit
  • ALARM TYPES FOR MORE CONVENIENT: Different alarm patterns of this carbon monoxide alarm and smoke alarm tell you it is either smoke or carbon monoxide is detected without checking the LCD display; smoke alarm: delivers 3 long beeps every 1.5 seconds and the red LED flashes with the alarm sound; CO alarm: delivers 4 quick beeps every 5. 8 seconds and the red LED flashes with the alarm sound
  • 10-YEAR BATTERY LIFE: This combination smoke alarm and carbon monoxide alarm provides 10 years of continuous power with a built-in lithium battery; provides continuous monitoring of smoke and CO levels, even if there's a power failure; an end-of-life signal will let you know when it’s time to replace the unit for safety
  • [What you will get] 1 Smoke and carbon monoxide detector + 1 user manual + 1 mounting bracket + 2 screws + 2 anchor plugs.
  • [85dB Buzzer & LED Warning] Our carbon monoxide alarm has 85dB loud buzzer and warn people with rapid flashing red indicator light. You can hear the alarm in the range of 20~40 square meters to help you and your family get more escape time even when you are sleeping. The LED light and fire alarm will continue until the smoke and carbon monoxide detector is cleared or the test button is released.
  • [Easy to Install and Use] No need for rewiring, as the battery operated carbon monoxide smoke detector is easy and secure to install with the included screws, anchor plugs, and mounting bracket to effortlessly install it on ceiling. Can be placed in RV, bedrooms, hallways, finished basements, living room and in mobile homes.
  • [10-Year Battery Life & Certified Quality] The 10 year lithium ion battery of smoke detector and carbon monoxide detector is permanently built in and tamper proof. When the low battery alert appears, yellow flash once every 60 seconds and loud buzzer. Our smoke detector battery operated are produced under the UL 217 & UL 2034 standards, which ensures the highest level of safety and reliability.
  • [2 in 1 Smoke and Carbon Monoxide Detector] Equipped with an ultra reliable photoelectric sensor and electrochemical carbon monoxide sensing technology, the smoke alarm alerts you to carbon monoxide danger. The smoke detector tests itself constantly and timely informs when it is short circuited on disconnected or low battery, which provides reliable uninterrupted 365/24 protection for you and your family.
  • Backlit display with CO measurements (0 to 1000 ppm) and temperature (Farenheit and Celcius)
  • Audible and visual alarms
  • Low level alarm (35 ppm) and high level alarm (200 ppm)
  • Portable CO detector with user protection and short-term exposure limit (STEL) alarm
  • Easy-to-use CO meter detects and measures concentration levels of carbon monoxide gas
  • Safety and 5 year Warranty: Low battery signal alarm and "end of life"warning ensures the detector can work normal. Environment friendly, without smell, radiation or harm. If any problem, contact with us without hesitation, we will reply to you asap.
  • Easy Install and Use: The alarm can easily install with mounting bracket. No hardwired anymore, very convenient to install at home or bedroom - wall mount, screws included.
  • Test/Silence Button: Tests the unit for proper operation and resets the smoke and carbon monoxide alarm, Alarm Volume: Loud > 85dB(A) at 1 meters. Loud 85-decibel alarm is designed to be heard easily. Pls kindly press if false alarm.
  • LCD Display: Clearly indicates real-time carbon monoxide (CO) concentration in the surrounding air, as well as the remaining battery life and working status of the alarm
  • 2-in-1 Accurate, Reliable & Highly Sensitive Alarm: Equipped with both photoelectric smoke sensor and electrochemical CO sensor that work independently of each other; every second counts; detects both fast and slow-burning fires, and instantly notifies you when dangerous smoke or CO concentration is detected while minimizing false alarms; provides the ultimate protection from 2 deadly threats, all contained in 1 unit
  • Battery operated device Can be easily installed and maintained without the need for an electrician.
  • Dual high stability sensors- Minimize carbon monoxide and smoke detector alarm false positive.
  • When carbon monoxide and smoke rise to alarm levels, the 85 dB alarm provides a clear, loud warning when it is discovered.
  • Understand the surrounding environment in real time - smoke detector and carbon monoxide detector Indicator lights on the face of the unit display the presence of smoke or carbon monoxide.
  • 2 in 1 smoke detector/carbon monoxide alarm, well used in the place of carbon monoxide gas leakage and fire place, well guarantee personal safety.
  • Comes with a 7 year limited warranty
  • Features a quick activation pull-tab and a front-loading battery drawer for replacement without removing the alarm from the bracket
  • Mount the bracket to any standard wiring junction box and use the large mounting base to cover imperfections in drywall
  • 120-volt AC/DC hardwired alarm with backup battery is suitable for houses, apartments and mobile homes
  • 3-in-1 alarm provides triple the protection with a single installation to protect against fires, carbon monoxide and natural gas

More Info

Combination Smoke and Carbon Monoxide Detector Smoke Alarm, WJZXTEK 2Pack Smoke and Carbon Detector Alarm with Beeps Voice Warning, Power Detection Electronic Equipment, Comply with UL217/UL2034

Search only WJZXTEK brand name
Combination Smoke and Carbon Monoxide Detector Smoke Alarm, WJZXTEK 2Pack Smoke and Carbon Detector Alarm with Beeps Voice Warning, Power Detection Electronic Equipment, Comply with UL217/UL2034

Current price: 27.99 USD


Check price and availability


  • Simple to Use & Easy Installation: The test/silence button operation of this smoke carbon monoxide alarm enables you to test the alarm weekly, easily silence when false alarms. Battery powered 2-in-1 carbon monoxide fire alarm with the included screws, anchor plugs ,requires no rewiring, easy to mount on any wall or ceiling.
  • When the space height is 6 meters to 12 meters, the protection area of one detector is 861sq ft for the general protection site; when the space height is 6 meters or less, the protection area is 645sq ft. For families with more gas safety hazards, it is recommended to choose 3 pieces to place in different rooms and locations.
  • After starting the machine, it will enter standby mode under normal working conditions. If the device working fine, the green light is on once in 40 seconds; The yellow light indicates that the device is malfunctioning, and the screen will also prompt a "bdEr" error; In the alarm state, and the red light flashes quickly.
  • LCD Display:The smoke carbon monoxide alarm combo's LCD digit indicates real-time carbon monoxide (CO) concentration in the surrounding air, as well as the battery levels. A low battery warning (“LB”)lets you know it is time to change the battery; a smoke warning (“HHH”) lets you know that a smoke fire is happening.
  • 2-in-1 Highly Sensitive Alarm: Combination smoke alarm and carbon monoxide alarm has a built-in intelligent chipset. The photoelectric smoke sensor and electrochemical CO sensor with the Intelligent Real-time Monitoring System complies with UL 217 and UL 2034 standards, which ensures the highest level of safety and reliability. The highly Sensitive 2-in-1 co and smoke alarm combo is accurate and reliable, suitable for house, bedroom, living room, garage, hotel, indoor, vehicles, factory.
  • EASY INSTALLATION WITH QUALITY: X-SENSE smoke carbon monoxide alarm combo requires no rewiring; easy to mount on any wall or ceiling without an electrician; all X-SENSE carbon monoxide alarm and smoke alarm are rigorously tested to meet UL 217 and UL 2034 safety standards; comes with a lifetime customer support
  • SIMPLE TO USE: The test/silence button of this smoke alarm carbon monoxide alarm enables you to test the alarm weekly, and to easily silence the alarm when false alarms occur; malfunction and low battery warnings allow you to easily know the working status of the alarm; in case of an emergency, an alarm tone of over 85 dB will instantly alert the entire household, even those in sleep
  • HIGH ACCURACY AND SENSITIVITY: X-SENSE carbon monoxide fire alarm is equipped with combination photoelectric smoke and electrochemical CO sensors that work independently of each other; instantly notifies you when dangerous smoke or CO concentration is detected; provides the ultimate protection from 2 deadly threats, all contained in 1 unit
  • ALARM TYPES FOR MORE CONVENIENT: Different alarm patterns of this carbon monoxide alarm and smoke alarm tell you it is either smoke or carbon monoxide is detected without checking the LCD display; smoke alarm: delivers 3 long beeps every 1.5 seconds and the red LED flashes with the alarm sound; CO alarm: delivers 4 quick beeps every 5. 8 seconds and the red LED flashes with the alarm sound
  • 10-YEAR BATTERY LIFE: This combination smoke alarm and carbon monoxide alarm provides 10 years of continuous power with a built-in lithium battery; provides continuous monitoring of smoke and CO levels, even if there's a power failure; an end-of-life signal will let you know when it’s time to replace the unit for safety
  • [What you will get] 1 Smoke and carbon monoxide detector + 1 user manual + 1 mounting bracket + 2 screws + 2 anchor plugs.
  • [85dB Buzzer & LED Warning] Our carbon monoxide alarm has 85dB loud buzzer and warn people with rapid flashing red indicator light. You can hear the alarm in the range of 20~40 square meters to help you and your family get more escape time even when you are sleeping. The LED light and fire alarm will continue until the smoke and carbon monoxide detector is cleared or the test button is released.
  • [Easy to Install and Use] No need for rewiring, as the battery operated carbon monoxide smoke detector is easy and secure to install with the included screws, anchor plugs, and mounting bracket to effortlessly install it on ceiling. Can be placed in RV, bedrooms, hallways, finished basements, living room and in mobile homes.
  • [10-Year Battery Life & Certified Quality] The 10 year lithium ion battery of smoke detector and carbon monoxide detector is permanently built in and tamper proof. When the low battery alert appears, yellow flash once every 60 seconds and loud buzzer. Our smoke detector battery operated are produced under the UL 217 & UL 2034 standards, which ensures the highest level of safety and reliability.
  • [2 in 1 Smoke and Carbon Monoxide Detector] Equipped with an ultra reliable photoelectric sensor and electrochemical carbon monoxide sensing technology, the smoke alarm alerts you to carbon monoxide danger. The smoke detector tests itself constantly and timely informs when it is short circuited on disconnected or low battery, which provides reliable uninterrupted 365/24 protection for you and your family.
  • Backlit display with CO measurements (0 to 1000 ppm) and temperature (Farenheit and Celcius)
  • Audible and visual alarms
  • Low level alarm (35 ppm) and high level alarm (200 ppm)
  • Portable CO detector with user protection and short-term exposure limit (STEL) alarm
  • Easy-to-use CO meter detects and measures concentration levels of carbon monoxide gas
  • Safety and 5 year Warranty: Low battery signal alarm and "end of life"warning ensures the detector can work normal. Environment friendly, without smell, radiation or harm. If any problem, contact with us without hesitation, we will reply to you asap.
  • Easy Install and Use: The alarm can easily install with mounting bracket. No hardwired anymore, very convenient to install at home or bedroom - wall mount, screws included.
  • Test/Silence Button: Tests the unit for proper operation and resets the smoke and carbon monoxide alarm, Alarm Volume: Loud > 85dB(A) at 1 meters. Loud 85-decibel alarm is designed to be heard easily. Pls kindly press if false alarm.
  • LCD Display: Clearly indicates real-time carbon monoxide (CO) concentration in the surrounding air, as well as the remaining battery life and working status of the alarm
  • 2-in-1 Accurate, Reliable & Highly Sensitive Alarm: Equipped with both photoelectric smoke sensor and electrochemical CO sensor that work independently of each other; every second counts; detects both fast and slow-burning fires, and instantly notifies you when dangerous smoke or CO concentration is detected while minimizing false alarms; provides the ultimate protection from 2 deadly threats, all contained in 1 unit
  • Battery operated device Can be easily installed and maintained without the need for an electrician.
  • Dual high stability sensors- Minimize carbon monoxide and smoke detector alarm false positive.
  • When carbon monoxide and smoke rise to alarm levels, the 85 dB alarm provides a clear, loud warning when it is discovered.
  • Understand the surrounding environment in real time - smoke detector and carbon monoxide detector Indicator lights on the face of the unit display the presence of smoke or carbon monoxide.
  • 2 in 1 smoke detector/carbon monoxide alarm, well used in the place of carbon monoxide gas leakage and fire place, well guarantee personal safety.
  • Comes with a 7 year limited warranty
  • Features a quick activation pull-tab and a front-loading battery drawer for replacement without removing the alarm from the bracket
  • Mount the bracket to any standard wiring junction box and use the large mounting base to cover imperfections in drywall
  • 120-volt AC/DC hardwired alarm with backup battery is suitable for houses, apartments and mobile homes
  • 3-in-1 alarm provides triple the protection with a single installation to protect against fires, carbon monoxide and natural gas
  • Simple to use, A single button tests the unit or silences the alarm. Low battery signal mute, quiets low battery signal for up to 8 hours
  • Battery-operated unit installs quickly and easily without an electrician,Can connect to other compatible detectors, to ensure all alarms will sound when threat is detected
  • Indicator lights on the face of the unit display the presence of smoke or carbon monoxide, while an 85dB siren provides a clear, loud warning upon detection
  • Features an electrochemical Carbon Monoxide sensing technology as well as a photoelectric sensor that detects the larger particles of a smoldering fire
  • Keep your family safe with this battery operated smoke and carbon monoxide alarm; battery powered alarms provide continuous monitoring of CO levels, even if there's a power failure

More Info

Smoke and Carbon Monoxide Detector with LCD Display Battery Operated Combo Unit (3 Pack)

Search only ALERT PRO brand name
Smoke and Carbon Monoxide Detector with LCD Display Battery Operated Combo Unit (3 Pack)

Current price: 52 USD

Saving: $6.00 (10%)


Check price and availability


  • Simple to Use & Easy Installation: The test/silence button operation of this smoke carbon monoxide alarm enables you to test the alarm weekly, easily silence when false alarms. Battery powered 2-in-1 carbon monoxide fire alarm with the included screws, anchor plugs ,requires no rewiring, easy to mount on any wall or ceiling.
  • When the space height is 6 meters to 12 meters, the protection area of one detector is 861sq ft for the general protection site; when the space height is 6 meters or less, the protection area is 645sq ft. For families with more gas safety hazards, it is recommended to choose 3 pieces to place in different rooms and locations.
  • After starting the machine, it will enter standby mode under normal working conditions. If the device working fine, the green light is on once in 40 seconds; The yellow light indicates that the device is malfunctioning, and the screen will also prompt a "bdEr" error; In the alarm state, and the red light flashes quickly.
  • LCD Display:The smoke carbon monoxide alarm combo's LCD digit indicates real-time carbon monoxide (CO) concentration in the surrounding air, as well as the battery levels. A low battery warning (“LB”)lets you know it is time to change the battery; a smoke warning (“HHH”) lets you know that a smoke fire is happening.
  • 2-in-1 Highly Sensitive Alarm: Combination smoke alarm and carbon monoxide alarm has a built-in intelligent chipset. The photoelectric smoke sensor and electrochemical CO sensor with the Intelligent Real-time Monitoring System complies with UL 217 and UL 2034 standards, which ensures the highest level of safety and reliability. The highly Sensitive 2-in-1 co and smoke alarm combo is accurate and reliable, suitable for house, bedroom, living room, garage, hotel, indoor, vehicles, factory.
  • EASY INSTALLATION WITH QUALITY: X-SENSE smoke carbon monoxide alarm combo requires no rewiring; easy to mount on any wall or ceiling without an electrician; all X-SENSE carbon monoxide alarm and smoke alarm are rigorously tested to meet UL 217 and UL 2034 safety standards; comes with a lifetime customer support
  • SIMPLE TO USE: The test/silence button of this smoke alarm carbon monoxide alarm enables you to test the alarm weekly, and to easily silence the alarm when false alarms occur; malfunction and low battery warnings allow you to easily know the working status of the alarm; in case of an emergency, an alarm tone of over 85 dB will instantly alert the entire household, even those in sleep
  • HIGH ACCURACY AND SENSITIVITY: X-SENSE carbon monoxide fire alarm is equipped with combination photoelectric smoke and electrochemical CO sensors that work independently of each other; instantly notifies you when dangerous smoke or CO concentration is detected; provides the ultimate protection from 2 deadly threats, all contained in 1 unit
  • ALARM TYPES FOR MORE CONVENIENT: Different alarm patterns of this carbon monoxide alarm and smoke alarm tell you it is either smoke or carbon monoxide is detected without checking the LCD display; smoke alarm: delivers 3 long beeps every 1.5 seconds and the red LED flashes with the alarm sound; CO alarm: delivers 4 quick beeps every 5. 8 seconds and the red LED flashes with the alarm sound
  • 10-YEAR BATTERY LIFE: This combination smoke alarm and carbon monoxide alarm provides 10 years of continuous power with a built-in lithium battery; provides continuous monitoring of smoke and CO levels, even if there's a power failure; an end-of-life signal will let you know when it’s time to replace the unit for safety
  • [What you will get] 1 Smoke and carbon monoxide detector + 1 user manual + 1 mounting bracket + 2 screws + 2 anchor plugs.
  • [85dB Buzzer & LED Warning] Our carbon monoxide alarm has 85dB loud buzzer and warn people with rapid flashing red indicator light. You can hear the alarm in the range of 20~40 square meters to help you and your family get more escape time even when you are sleeping. The LED light and fire alarm will continue until the smoke and carbon monoxide detector is cleared or the test button is released.
  • [Easy to Install and Use] No need for rewiring, as the battery operated carbon monoxide smoke detector is easy and secure to install with the included screws, anchor plugs, and mounting bracket to effortlessly install it on ceiling. Can be placed in RV, bedrooms, hallways, finished basements, living room and in mobile homes.
  • [10-Year Battery Life & Certified Quality] The 10 year lithium ion battery of smoke detector and carbon monoxide detector is permanently built in and tamper proof. When the low battery alert appears, yellow flash once every 60 seconds and loud buzzer. Our smoke detector battery operated are produced under the UL 217 & UL 2034 standards, which ensures the highest level of safety and reliability.
  • [2 in 1 Smoke and Carbon Monoxide Detector] Equipped with an ultra reliable photoelectric sensor and electrochemical carbon monoxide sensing technology, the smoke alarm alerts you to carbon monoxide danger. The smoke detector tests itself constantly and timely informs when it is short circuited on disconnected or low battery, which provides reliable uninterrupted 365/24 protection for you and your family.
  • Backlit display with CO measurements (0 to 1000 ppm) and temperature (Farenheit and Celcius)
  • Audible and visual alarms
  • Low level alarm (35 ppm) and high level alarm (200 ppm)
  • Portable CO detector with user protection and short-term exposure limit (STEL) alarm
  • Easy-to-use CO meter detects and measures concentration levels of carbon monoxide gas
  • Safety and 5 year Warranty: Low battery signal alarm and "end of life"warning ensures the detector can work normal. Environment friendly, without smell, radiation or harm. If any problem, contact with us without hesitation, we will reply to you asap.
  • Easy Install and Use: The alarm can easily install with mounting bracket. No hardwired anymore, very convenient to install at home or bedroom - wall mount, screws included.
  • Test/Silence Button: Tests the unit for proper operation and resets the smoke and carbon monoxide alarm, Alarm Volume: Loud > 85dB(A) at 1 meters. Loud 85-decibel alarm is designed to be heard easily. Pls kindly press if false alarm.
  • LCD Display: Clearly indicates real-time carbon monoxide (CO) concentration in the surrounding air, as well as the remaining battery life and working status of the alarm
  • 2-in-1 Accurate, Reliable & Highly Sensitive Alarm: Equipped with both photoelectric smoke sensor and electrochemical CO sensor that work independently of each other; every second counts; detects both fast and slow-burning fires, and instantly notifies you when dangerous smoke or CO concentration is detected while minimizing false alarms; provides the ultimate protection from 2 deadly threats, all contained in 1 unit
  • Battery operated device Can be easily installed and maintained without the need for an electrician.
  • Dual high stability sensors- Minimize carbon monoxide and smoke detector alarm false positive.
  • When carbon monoxide and smoke rise to alarm levels, the 85 dB alarm provides a clear, loud warning when it is discovered.
  • Understand the surrounding environment in real time - smoke detector and carbon monoxide detector Indicator lights on the face of the unit display the presence of smoke or carbon monoxide.
  • 2 in 1 smoke detector/carbon monoxide alarm, well used in the place of carbon monoxide gas leakage and fire place, well guarantee personal safety.
  • Comes with a 7 year limited warranty
  • Features a quick activation pull-tab and a front-loading battery drawer for replacement without removing the alarm from the bracket
  • Mount the bracket to any standard wiring junction box and use the large mounting base to cover imperfections in drywall
  • 120-volt AC/DC hardwired alarm with backup battery is suitable for houses, apartments and mobile homes
  • 3-in-1 alarm provides triple the protection with a single installation to protect against fires, carbon monoxide and natural gas
  • Simple to use, A single button tests the unit or silences the alarm. Low battery signal mute, quiets low battery signal for up to 8 hours
  • Battery-operated unit installs quickly and easily without an electrician,Can connect to other compatible detectors, to ensure all alarms will sound when threat is detected
  • Indicator lights on the face of the unit display the presence of smoke or carbon monoxide, while an 85dB siren provides a clear, loud warning upon detection
  • Features an electrochemical Carbon Monoxide sensing technology as well as a photoelectric sensor that detects the larger particles of a smoldering fire
  • Keep your family safe with this battery operated smoke and carbon monoxide alarm; battery powered alarms provide continuous monitoring of CO levels, even if there's a power failure
  • ✔️ Photoelectric Sensor Detects Smoke, While Minimizing false alarms.
  • ✔️ 100% customer satisfaction guaranteed. if you dont like it will take it back no quations ask
  • ✔️ 5 year manufacturer warranty
  • ✔️ Unit Comes With with Long Live Batteries
  • ✔️ Smoke Alarm and Carbon Monoxide Detector with LCD Display Combo Unit

More Info

2 Pack First Alarm LCD CO Carbon Monoxide Detector, Digital Display Air Detection Warning Alerting Home Safety

Search only xinye brand name
2 Pack First Alarm LCD CO Carbon Monoxide Detector, Digital Display Air Detection Warning Alerting Home Safety

Current price: 17.99 USD


Check price and availability


Height: 1.5 Inches

Length: 4.5 Inches

Width: 4.5 Inches

Weight: 0.26 Pounds

  • Simple to Use & Easy Installation: The test/silence button operation of this smoke carbon monoxide alarm enables you to test the alarm weekly, easily silence when false alarms. Battery powered 2-in-1 carbon monoxide fire alarm with the included screws, anchor plugs ,requires no rewiring, easy to mount on any wall or ceiling.
  • When the space height is 6 meters to 12 meters, the protection area of one detector is 861sq ft for the general protection site; when the space height is 6 meters or less, the protection area is 645sq ft. For families with more gas safety hazards, it is recommended to choose 3 pieces to place in different rooms and locations.
  • After starting the machine, it will enter standby mode under normal working conditions. If the device working fine, the green light is on once in 40 seconds; The yellow light indicates that the device is malfunctioning, and the screen will also prompt a "bdEr" error; In the alarm state, and the red light flashes quickly.
  • LCD Display:The smoke carbon monoxide alarm combo's LCD digit indicates real-time carbon monoxide (CO) concentration in the surrounding air, as well as the battery levels. A low battery warning (“LB”)lets you know it is time to change the battery; a smoke warning (“HHH”) lets you know that a smoke fire is happening.
  • 2-in-1 Highly Sensitive Alarm: Combination smoke alarm and carbon monoxide alarm has a built-in intelligent chipset. The photoelectric smoke sensor and electrochemical CO sensor with the Intelligent Real-time Monitoring System complies with UL 217 and UL 2034 standards, which ensures the highest level of safety and reliability. The highly Sensitive 2-in-1 co and smoke alarm combo is accurate and reliable, suitable for house, bedroom, living room, garage, hotel, indoor, vehicles, factory.
  • EASY INSTALLATION WITH QUALITY: X-SENSE smoke carbon monoxide alarm combo requires no rewiring; easy to mount on any wall or ceiling without an electrician; all X-SENSE carbon monoxide alarm and smoke alarm are rigorously tested to meet UL 217 and UL 2034 safety standards; comes with a lifetime customer support
  • SIMPLE TO USE: The test/silence button of this smoke alarm carbon monoxide alarm enables you to test the alarm weekly, and to easily silence the alarm when false alarms occur; malfunction and low battery warnings allow you to easily know the working status of the alarm; in case of an emergency, an alarm tone of over 85 dB will instantly alert the entire household, even those in sleep
  • HIGH ACCURACY AND SENSITIVITY: X-SENSE carbon monoxide fire alarm is equipped with combination photoelectric smoke and electrochemical CO sensors that work independently of each other; instantly notifies you when dangerous smoke or CO concentration is detected; provides the ultimate protection from 2 deadly threats, all contained in 1 unit
  • ALARM TYPES FOR MORE CONVENIENT: Different alarm patterns of this carbon monoxide alarm and smoke alarm tell you it is either smoke or carbon monoxide is detected without checking the LCD display; smoke alarm: delivers 3 long beeps every 1.5 seconds and the red LED flashes with the alarm sound; CO alarm: delivers 4 quick beeps every 5. 8 seconds and the red LED flashes with the alarm sound
  • 10-YEAR BATTERY LIFE: This combination smoke alarm and carbon monoxide alarm provides 10 years of continuous power with a built-in lithium battery; provides continuous monitoring of smoke and CO levels, even if there's a power failure; an end-of-life signal will let you know when it’s time to replace the unit for safety
  • [What you will get] 1 Smoke and carbon monoxide detector + 1 user manual + 1 mounting bracket + 2 screws + 2 anchor plugs.
  • [85dB Buzzer & LED Warning] Our carbon monoxide alarm has 85dB loud buzzer and warn people with rapid flashing red indicator light. You can hear the alarm in the range of 20~40 square meters to help you and your family get more escape time even when you are sleeping. The LED light and fire alarm will continue until the smoke and carbon monoxide detector is cleared or the test button is released.
  • [Easy to Install and Use] No need for rewiring, as the battery operated carbon monoxide smoke detector is easy and secure to install with the included screws, anchor plugs, and mounting bracket to effortlessly install it on ceiling. Can be placed in RV, bedrooms, hallways, finished basements, living room and in mobile homes.
  • [10-Year Battery Life & Certified Quality] The 10 year lithium ion battery of smoke detector and carbon monoxide detector is permanently built in and tamper proof. When the low battery alert appears, yellow flash once every 60 seconds and loud buzzer. Our smoke detector battery operated are produced under the UL 217 & UL 2034 standards, which ensures the highest level of safety and reliability.
  • [2 in 1 Smoke and Carbon Monoxide Detector] Equipped with an ultra reliable photoelectric sensor and electrochemical carbon monoxide sensing technology, the smoke alarm alerts you to carbon monoxide danger. The smoke detector tests itself constantly and timely informs when it is short circuited on disconnected or low battery, which provides reliable uninterrupted 365/24 protection for you and your family.
  • Backlit display with CO measurements (0 to 1000 ppm) and temperature (Farenheit and Celcius)
  • Audible and visual alarms
  • Low level alarm (35 ppm) and high level alarm (200 ppm)
  • Portable CO detector with user protection and short-term exposure limit (STEL) alarm
  • Easy-to-use CO meter detects and measures concentration levels of carbon monoxide gas
  • Safety and 5 year Warranty: Low battery signal alarm and "end of life"warning ensures the detector can work normal. Environment friendly, without smell, radiation or harm. If any problem, contact with us without hesitation, we will reply to you asap.
  • Easy Install and Use: The alarm can easily install with mounting bracket. No hardwired anymore, very convenient to install at home or bedroom - wall mount, screws included.
  • Test/Silence Button: Tests the unit for proper operation and resets the smoke and carbon monoxide alarm, Alarm Volume: Loud > 85dB(A) at 1 meters. Loud 85-decibel alarm is designed to be heard easily. Pls kindly press if false alarm.
  • LCD Display: Clearly indicates real-time carbon monoxide (CO) concentration in the surrounding air, as well as the remaining battery life and working status of the alarm
  • 2-in-1 Accurate, Reliable & Highly Sensitive Alarm: Equipped with both photoelectric smoke sensor and electrochemical CO sensor that work independently of each other; every second counts; detects both fast and slow-burning fires, and instantly notifies you when dangerous smoke or CO concentration is detected while minimizing false alarms; provides the ultimate protection from 2 deadly threats, all contained in 1 unit
  • Battery operated device Can be easily installed and maintained without the need for an electrician.
  • Dual high stability sensors- Minimize carbon monoxide and smoke detector alarm false positive.
  • When carbon monoxide and smoke rise to alarm levels, the 85 dB alarm provides a clear, loud warning when it is discovered.
  • Understand the surrounding environment in real time - smoke detector and carbon monoxide detector Indicator lights on the face of the unit display the presence of smoke or carbon monoxide.
  • 2 in 1 smoke detector/carbon monoxide alarm, well used in the place of carbon monoxide gas leakage and fire place, well guarantee personal safety.
  • Comes with a 7 year limited warranty
  • Features a quick activation pull-tab and a front-loading battery drawer for replacement without removing the alarm from the bracket
  • Mount the bracket to any standard wiring junction box and use the large mounting base to cover imperfections in drywall
  • 120-volt AC/DC hardwired alarm with backup battery is suitable for houses, apartments and mobile homes
  • 3-in-1 alarm provides triple the protection with a single installation to protect against fires, carbon monoxide and natural gas
  • Simple to use, A single button tests the unit or silences the alarm. Low battery signal mute, quiets low battery signal for up to 8 hours
  • Battery-operated unit installs quickly and easily without an electrician,Can connect to other compatible detectors, to ensure all alarms will sound when threat is detected
  • Indicator lights on the face of the unit display the presence of smoke or carbon monoxide, while an 85dB siren provides a clear, loud warning upon detection
  • Features an electrochemical Carbon Monoxide sensing technology as well as a photoelectric sensor that detects the larger particles of a smoldering fire
  • Keep your family safe with this battery operated smoke and carbon monoxide alarm; battery powered alarms provide continuous monitoring of CO levels, even if there's a power failure
  • ✔️ Photoelectric Sensor Detects Smoke, While Minimizing false alarms.
  • ✔️ 100% customer satisfaction guaranteed. if you dont like it will take it back no quations ask
  • ✔️ 5 year manufacturer warranty
  • ✔️ Unit Comes With with Long Live Batteries
  • ✔️ Smoke Alarm and Carbon Monoxide Detector with LCD Display Combo Unit
  • ►【Energy Saving】3 * 1.5V AAA battery powered CO detector (battery not included), Low Current consumption, Ultra-long Standy time.
  • ►【Easy Installation & Widely Used】Co detector Coming with mounting accessories, just drill holes in appropriate positions, and done;
  • ►【Safety And Visible】 Carbon monoxide alarm detector With 3 digits LCD displayer is optional,'Err' on the LCD to indicate the unit is malfunctioning. 'Lb' on the LCS to indicate it low battery and need to replacement. '999ppm' on the LCD to indicate CO level over 999ppm And Loud 85 decibel alarm with LED Flash While in the Alarm Mode for the life-saving safety, protect the family from carbon monoxide.
  • ►【Safety & Visible】 Carbon monoxide alarm detector With 3 digits LCD displayer is optional,'Err' on the LCD to indicate the unit is malfunctioning. 'Lb' on the LCS to indicate it low battery and need to replacement. '999ppm' on the LCD to indicate CO level over 999ppm And Loud 85 decibel alarm with LED Flash While in the Alarm Mode for the life-saving safety, protect the family from carbon monoxide.
  • ►【High Sensitive & Quick Responsive】Build-in Carbon Monoxide Detector Chip and the electrochemical sensor, Enough to detect odorless invisible and deadly carbon monoxide in the air, Quick reaction to save your life in the first time when fire hazard occurs.

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