Affordable Carbon Monoxide Detectors. Reviews July, 2021, page 6

Kidde Worry-Free Carbon Monoxide Detector Alarm with 10 Year Sealed Battery | Model C3010

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Kidde Worry-Free Carbon Monoxide Detector Alarm with 10 Year Sealed Battery | Model C3010

Current price: 29.99 USD

Saving: $12.98 (30%)


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Height: 2.75 Inches

Length: 4.5 Inches

Width: 1.5 Inches

Weight: 0.25 Pounds

Warranty: 10 year limited warranty

  • Event Memory – Red LED flashes every 60 seconds to alert that a high level of carbon monoxide has been detected within the last 14 days.
  • Test/Reset Button – Tests the unit for proper operation. Resets the Carbon Monoxide Alarm.
  • Self Activation – Alarm automatically activates when attached to the mounting bracket.
  • LED - Green LED flashes every 30 seconds to indicate the unit is operating properly. Red LED when a dangerous level of carbon monoxide is detected the red LED will pulse and a loud alarm pattern will sound. The carbon monoxide alarm pattern is 4 short beeps, followed by 5 seconds of silence, followed by 4 short beeps with a corresponding red LED flash. This cycle will continue for 4 minutes and then change to 2 patterns once a minute there after. Amber LED flashes every second to indicate the unit is in fault mode. One quick beep every 30 seconds alerts the unit is in error condition. One quick beep every 60 seconds is an indication of low battery power.
  • Sealed-in Lithium Battery – Sealed-in lithium power supply; no battery replacement required over the 10 year life of the alarm. Eliminates worry about battery removal or unauthorized deactivation of alarm.

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Safe-T-Alert by MTI Industries 35-742-BR 35 Series Dual LP/CO Alarm - Flush Mount, Brown

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Safe-T-Alert by MTI Industries 35-742-BR 35 Series Dual LP/CO Alarm - Flush Mount, Brown

Current price: 71.36 USD


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Height: 2 Inches

Length: 10 Inches

Width: 8 Inches

Weight: 0.45 Pounds

  • Event Memory – Red LED flashes every 60 seconds to alert that a high level of carbon monoxide has been detected within the last 14 days.
  • Test/Reset Button – Tests the unit for proper operation. Resets the Carbon Monoxide Alarm.
  • Self Activation – Alarm automatically activates when attached to the mounting bracket.
  • LED - Green LED flashes every 30 seconds to indicate the unit is operating properly. Red LED when a dangerous level of carbon monoxide is detected the red LED will pulse and a loud alarm pattern will sound. The carbon monoxide alarm pattern is 4 short beeps, followed by 5 seconds of silence, followed by 4 short beeps with a corresponding red LED flash. This cycle will continue for 4 minutes and then change to 2 patterns once a minute there after. Amber LED flashes every second to indicate the unit is in fault mode. One quick beep every 30 seconds alerts the unit is in error condition. One quick beep every 60 seconds is an indication of low battery power.
  • Sealed-in Lithium Battery – Sealed-in lithium power supply; no battery replacement required over the 10 year life of the alarm. Eliminates worry about battery removal or unauthorized deactivation of alarm.
  • Fit type: Universal Fit
  • "case size: 6.375"w x 2.875"h x 1.25"d"
  • operating temperature: -40° f to +158° f
  • low voltage power warning
  • operational range: 12 volts +/-15%
  • power supply & current draw: 108 ma @ 12 vdc

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2 Pack CO Detector, Carbon Monoxide Gas Detection, CO Alarm with LCD Digital Display, Not Included Battery Powered

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Search only HCDIM brand name
2 Pack CO Detector, Carbon Monoxide Gas Detection, CO Alarm with LCD Digital Display, Not Included Battery Powered

Current price: 19.89 USD


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Weight: 200 Grams

  • Event Memory – Red LED flashes every 60 seconds to alert that a high level of carbon monoxide has been detected within the last 14 days.
  • Test/Reset Button – Tests the unit for proper operation. Resets the Carbon Monoxide Alarm.
  • Self Activation – Alarm automatically activates when attached to the mounting bracket.
  • LED - Green LED flashes every 30 seconds to indicate the unit is operating properly. Red LED when a dangerous level of carbon monoxide is detected the red LED will pulse and a loud alarm pattern will sound. The carbon monoxide alarm pattern is 4 short beeps, followed by 5 seconds of silence, followed by 4 short beeps with a corresponding red LED flash. This cycle will continue for 4 minutes and then change to 2 patterns once a minute there after. Amber LED flashes every second to indicate the unit is in fault mode. One quick beep every 30 seconds alerts the unit is in error condition. One quick beep every 60 seconds is an indication of low battery power.
  • Sealed-in Lithium Battery – Sealed-in lithium power supply; no battery replacement required over the 10 year life of the alarm. Eliminates worry about battery removal or unauthorized deactivation of alarm.
  • Fit type: Universal Fit
  • "case size: 6.375"w x 2.875"h x 1.25"d"
  • operating temperature: -40° f to +158° f
  • low voltage power warning
  • operational range: 12 volts +/-15%
  • power supply & current draw: 108 ma @ 12 vdc
  • Very easy to install at home or bedroom. Precise electro-optical sensor, high consistency and stability, move, or in the same place for that. Loud enough and sounds good.

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Kidde Smoke & Carbon Monoxide Detector, Combination Smoke & CO Alarm with Lithium Battery, Replacement Alert

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Search only Kidde brand name
Kidde Smoke & Carbon Monoxide Detector, Combination Smoke & CO Alarm with Lithium Battery, Replacement Alert

Current price: 33.89 USD

Saving: $14.78 (30%)


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Height: 1.6 Inches

Length: 5.22 Inches

Width: 5.22 Inches

Warranty: 10 year limited warranty

  • Event Memory – Red LED flashes every 60 seconds to alert that a high level of carbon monoxide has been detected within the last 14 days.
  • Test/Reset Button – Tests the unit for proper operation. Resets the Carbon Monoxide Alarm.
  • Self Activation – Alarm automatically activates when attached to the mounting bracket.
  • LED - Green LED flashes every 30 seconds to indicate the unit is operating properly. Red LED when a dangerous level of carbon monoxide is detected the red LED will pulse and a loud alarm pattern will sound. The carbon monoxide alarm pattern is 4 short beeps, followed by 5 seconds of silence, followed by 4 short beeps with a corresponding red LED flash. This cycle will continue for 4 minutes and then change to 2 patterns once a minute there after. Amber LED flashes every second to indicate the unit is in fault mode. One quick beep every 30 seconds alerts the unit is in error condition. One quick beep every 60 seconds is an indication of low battery power.
  • Sealed-in Lithium Battery – Sealed-in lithium power supply; no battery replacement required over the 10 year life of the alarm. Eliminates worry about battery removal or unauthorized deactivation of alarm.
  • Fit type: Universal Fit
  • "case size: 6.375"w x 2.875"h x 1.25"d"
  • operating temperature: -40° f to +158° f
  • low voltage power warning
  • operational range: 12 volts +/-15%
  • power supply & current draw: 108 ma @ 12 vdc
  • Very easy to install at home or bedroom. Precise electro-optical sensor, high consistency and stability, move, or in the same place for that. Loud enough and sounds good.
  • UL Certified, 10-year limited warranty
  • Replacement Alert - can be silenced for 3 days at a time, maximum of 30 days; tamper-resistant technology deters removal of the unit or battery from the wall or ceiling
  • No battery replacement needed - combo smoke and CO detector operates on a non-replaceable, 10-year lithium battery
  • Photoelectric & electrochemical sensing technology - combination smoke & CO detector detects visible fire particles, 85 decibel alarm alerts of fire
  • Fire & CO Detector in 1 unit with alert modes, LED light, test-silence button, & Replacement Alert: a chirp that notifies when the unit needs to be replaced

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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

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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

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

  • Event Memory – Red LED flashes every 60 seconds to alert that a high level of carbon monoxide has been detected within the last 14 days.
  • Test/Reset Button – Tests the unit for proper operation. Resets the Carbon Monoxide Alarm.
  • Self Activation – Alarm automatically activates when attached to the mounting bracket.
  • LED - Green LED flashes every 30 seconds to indicate the unit is operating properly. Red LED when a dangerous level of carbon monoxide is detected the red LED will pulse and a loud alarm pattern will sound. The carbon monoxide alarm pattern is 4 short beeps, followed by 5 seconds of silence, followed by 4 short beeps with a corresponding red LED flash. This cycle will continue for 4 minutes and then change to 2 patterns once a minute there after. Amber LED flashes every second to indicate the unit is in fault mode. One quick beep every 30 seconds alerts the unit is in error condition. One quick beep every 60 seconds is an indication of low battery power.
  • Sealed-in Lithium Battery – Sealed-in lithium power supply; no battery replacement required over the 10 year life of the alarm. Eliminates worry about battery removal or unauthorized deactivation of alarm.
  • Fit type: Universal Fit
  • "case size: 6.375"w x 2.875"h x 1.25"d"
  • operating temperature: -40° f to +158° f
  • low voltage power warning
  • operational range: 12 volts +/-15%
  • power supply & current draw: 108 ma @ 12 vdc
  • Very easy to install at home or bedroom. Precise electro-optical sensor, high consistency and stability, move, or in the same place for that. Loud enough and sounds good.
  • UL Certified, 10-year limited warranty
  • Replacement Alert - can be silenced for 3 days at a time, maximum of 30 days; tamper-resistant technology deters removal of the unit or battery from the wall or ceiling
  • No battery replacement needed - combo smoke and CO detector operates on a non-replaceable, 10-year lithium battery
  • Photoelectric & electrochemical sensing technology - combination smoke & CO detector detects visible fire particles, 85 decibel alarm alerts of fire
  • Fire & CO Detector in 1 unit with alert modes, LED light, test-silence button, & Replacement Alert: a chirp that notifies when the unit needs to be replaced
  • 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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Smoke and CO Alarm Detector Combo Unit Battery Operated

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Search only ALERT PRO brand name
Smoke and CO Alarm Detector Combo Unit Battery Operated

Current price: 19.49 USD

Saving: $6.99 (26%)


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  • Event Memory – Red LED flashes every 60 seconds to alert that a high level of carbon monoxide has been detected within the last 14 days.
  • Test/Reset Button – Tests the unit for proper operation. Resets the Carbon Monoxide Alarm.
  • Self Activation – Alarm automatically activates when attached to the mounting bracket.
  • LED - Green LED flashes every 30 seconds to indicate the unit is operating properly. Red LED when a dangerous level of carbon monoxide is detected the red LED will pulse and a loud alarm pattern will sound. The carbon monoxide alarm pattern is 4 short beeps, followed by 5 seconds of silence, followed by 4 short beeps with a corresponding red LED flash. This cycle will continue for 4 minutes and then change to 2 patterns once a minute there after. Amber LED flashes every second to indicate the unit is in fault mode. One quick beep every 30 seconds alerts the unit is in error condition. One quick beep every 60 seconds is an indication of low battery power.
  • Sealed-in Lithium Battery – Sealed-in lithium power supply; no battery replacement required over the 10 year life of the alarm. Eliminates worry about battery removal or unauthorized deactivation of alarm.
  • Fit type: Universal Fit
  • "case size: 6.375"w x 2.875"h x 1.25"d"
  • operating temperature: -40° f to +158° f
  • low voltage power warning
  • operational range: 12 volts +/-15%
  • power supply & current draw: 108 ma @ 12 vdc
  • Very easy to install at home or bedroom. Precise electro-optical sensor, high consistency and stability, move, or in the same place for that. Loud enough and sounds good.
  • UL Certified, 10-year limited warranty
  • Replacement Alert - can be silenced for 3 days at a time, maximum of 30 days; tamper-resistant technology deters removal of the unit or battery from the wall or ceiling
  • No battery replacement needed - combo smoke and CO detector operates on a non-replaceable, 10-year lithium battery
  • Photoelectric & electrochemical sensing technology - combination smoke & CO detector detects visible fire particles, 85 decibel alarm alerts of fire
  • Fire & CO Detector in 1 unit with alert modes, LED light, test-silence button, & Replacement Alert: a chirp that notifies when the unit needs to be replaced
  • 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
  • ✔️ Unit Comes With with Long Live Batteries
  • ✔️ 5 Year Waranty
  • ✔️ 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.
  • ✔️ This Smoke& carbon monoxide detector suitable for all where it is possible to produce carbon monoxide, such as your home kitchen, bedroom, bathroom, hotel, or you are in the barbecue time,
  • ✔️ Smoke Detector and Carbon Monoxide Detector Alarm Combo Unit

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FIRST ALERT Carbon Monoxide Alarm | BRK CO250 Battery Operated Carbon Monoxide Detector With 9-Volt Battery & Two Silence Features

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Search only FIRST ALERT brand name
FIRST ALERT Carbon Monoxide Alarm | BRK CO250 Battery Operated Carbon Monoxide Detector With 9-Volt Battery & Two Silence Features

Current price: 19.99 USD

Saving: $10.00 (33%)


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Height: 1.6 Inches

Length: 4.25 Inches

Width: 4.25 Inches

Weight: 0.39 Pounds

Warranty: 7 Year Limited Warranty

  • Event Memory – Red LED flashes every 60 seconds to alert that a high level of carbon monoxide has been detected within the last 14 days.
  • Test/Reset Button – Tests the unit for proper operation. Resets the Carbon Monoxide Alarm.
  • Self Activation – Alarm automatically activates when attached to the mounting bracket.
  • LED - Green LED flashes every 30 seconds to indicate the unit is operating properly. Red LED when a dangerous level of carbon monoxide is detected the red LED will pulse and a loud alarm pattern will sound. The carbon monoxide alarm pattern is 4 short beeps, followed by 5 seconds of silence, followed by 4 short beeps with a corresponding red LED flash. This cycle will continue for 4 minutes and then change to 2 patterns once a minute there after. Amber LED flashes every second to indicate the unit is in fault mode. One quick beep every 30 seconds alerts the unit is in error condition. One quick beep every 60 seconds is an indication of low battery power.
  • Sealed-in Lithium Battery – Sealed-in lithium power supply; no battery replacement required over the 10 year life of the alarm. Eliminates worry about battery removal or unauthorized deactivation of alarm.
  • Fit type: Universal Fit
  • "case size: 6.375"w x 2.875"h x 1.25"d"
  • operating temperature: -40° f to +158° f
  • low voltage power warning
  • operational range: 12 volts +/-15%
  • power supply & current draw: 108 ma @ 12 vdc
  • Very easy to install at home or bedroom. Precise electro-optical sensor, high consistency and stability, move, or in the same place for that. Loud enough and sounds good.
  • UL Certified, 10-year limited warranty
  • Replacement Alert - can be silenced for 3 days at a time, maximum of 30 days; tamper-resistant technology deters removal of the unit or battery from the wall or ceiling
  • No battery replacement needed - combo smoke and CO detector operates on a non-replaceable, 10-year lithium battery
  • Photoelectric & electrochemical sensing technology - combination smoke & CO detector detects visible fire particles, 85 decibel alarm alerts of fire
  • Fire & CO Detector in 1 unit with alert modes, LED light, test-silence button, & Replacement Alert: a chirp that notifies when the unit needs to be replaced
  • 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
  • ✔️ Unit Comes With with Long Live Batteries
  • ✔️ 5 Year Waranty
  • ✔️ 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.
  • ✔️ This Smoke& carbon monoxide detector suitable for all where it is possible to produce carbon monoxide, such as your home kitchen, bedroom, bathroom, hotel, or you are in the barbecue time,
  • ✔️ Smoke Detector and Carbon Monoxide Detector Alarm Combo Unit
  • 9V Battery Included
  • Tamper Resistant Locking Pin Locks Alarm Cover to Prevent Removal of Battery
  • End of Life Signal
  • Two Silence Features Silence Low Battery Chirp For up to 8 Hours
  • Electrochemical CO Sensor is the most accurate technology available
  • Faster turnarounds on job sites with the easy-to-install, most-trusted alarms in home safety
  • FEATURES, 9-Volt Battery and all necessary mounting hardware
  • HELPFUL, 2 silence features that silence both alarm and low-battery chirp
  • CONVENIENT, end of life chirping signal
  • HIGHEST QUALITY, most accurate electrochemical co sensor technology

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Combination Smoke and Carbon Monoxide Detector Alarm, 2-Pack GLBSUNION Beeps Warning Smoke and CO Alarms for Basements Travel Home Office Kitchen Bedroom Car, Battery Operated, Comply with UL 217/2034

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Combination Smoke and Carbon Monoxide Detector Alarm, 2-Pack GLBSUNION Beeps Warning Smoke and CO Alarms for Basements Travel Home Office Kitchen Bedroom Car, Battery Operated, Comply with UL 217/2034

Current price: 27.99 USD


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Height: 1.49606 Inches

Length: 3.937 Inches

Width: 3.937 Inches

  • Event Memory – Red LED flashes every 60 seconds to alert that a high level of carbon monoxide has been detected within the last 14 days.
  • Test/Reset Button – Tests the unit for proper operation. Resets the Carbon Monoxide Alarm.
  • Self Activation – Alarm automatically activates when attached to the mounting bracket.
  • LED - Green LED flashes every 30 seconds to indicate the unit is operating properly. Red LED when a dangerous level of carbon monoxide is detected the red LED will pulse and a loud alarm pattern will sound. The carbon monoxide alarm pattern is 4 short beeps, followed by 5 seconds of silence, followed by 4 short beeps with a corresponding red LED flash. This cycle will continue for 4 minutes and then change to 2 patterns once a minute there after. Amber LED flashes every second to indicate the unit is in fault mode. One quick beep every 30 seconds alerts the unit is in error condition. One quick beep every 60 seconds is an indication of low battery power.
  • Sealed-in Lithium Battery – Sealed-in lithium power supply; no battery replacement required over the 10 year life of the alarm. Eliminates worry about battery removal or unauthorized deactivation of alarm.
  • Fit type: Universal Fit
  • "case size: 6.375"w x 2.875"h x 1.25"d"
  • operating temperature: -40° f to +158° f
  • low voltage power warning
  • operational range: 12 volts +/-15%
  • power supply & current draw: 108 ma @ 12 vdc
  • Very easy to install at home or bedroom. Precise electro-optical sensor, high consistency and stability, move, or in the same place for that. Loud enough and sounds good.
  • UL Certified, 10-year limited warranty
  • Replacement Alert - can be silenced for 3 days at a time, maximum of 30 days; tamper-resistant technology deters removal of the unit or battery from the wall or ceiling
  • No battery replacement needed - combo smoke and CO detector operates on a non-replaceable, 10-year lithium battery
  • Photoelectric & electrochemical sensing technology - combination smoke & CO detector detects visible fire particles, 85 decibel alarm alerts of fire
  • Fire & CO Detector in 1 unit with alert modes, LED light, test-silence button, & Replacement Alert: a chirp that notifies when the unit needs to be replaced
  • 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
  • ✔️ Unit Comes With with Long Live Batteries
  • ✔️ 5 Year Waranty
  • ✔️ 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.
  • ✔️ This Smoke& carbon monoxide detector suitable for all where it is possible to produce carbon monoxide, such as your home kitchen, bedroom, bathroom, hotel, or you are in the barbecue time,
  • ✔️ Smoke Detector and Carbon Monoxide Detector Alarm Combo Unit
  • 9V Battery Included
  • Tamper Resistant Locking Pin Locks Alarm Cover to Prevent Removal of Battery
  • End of Life Signal
  • Two Silence Features Silence Low Battery Chirp For up to 8 Hours
  • Electrochemical CO Sensor is the most accurate technology available
  • Faster turnarounds on job sites with the easy-to-install, most-trusted alarms in home safety
  • FEATURES, 9-Volt Battery and all necessary mounting hardware
  • HELPFUL, 2 silence features that silence both alarm and low-battery chirp
  • CONVENIENT, end of life chirping signal
  • HIGHEST QUALITY, most accurate electrochemical co sensor technology
  • Quick & Easy Installation with Guaranteed Quality: Product Dimensions: 4 * 4 * 1.5 inch, Requires no rewiring; easy to mount on any wall or ceiling with the included mounting bracket, screws and anchor plugs; certified to meet the UL safety standards for your peace of mind and absolute confidence in our product. you can get: 1. two detector alarms with Mounting bracket, 2. one manual, 3. four screws.
  • Simple to Use: Test/Silence button 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 sound throughout your entire home, instantly alerting the entire household, even those in sleep
  • 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
  • 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
  • Keep your family safe with this battery operated smoke and carbon monoxide alarm; battery powered alarms provide continuous monitoring of CO and smoke levels, even if there's a power failure(Operated by 2 x 1.5V AA Batteries (not included)

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OKEAH Smoke and Carbon Monoxide Detector,Replaceable Battery-Operated CO Alarm with LCD Display,YJ-901

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Search only OKEAH brand name
OKEAH Smoke and Carbon Monoxide Detector,Replaceable Battery-Operated CO Alarm with LCD Display,YJ-901

Current price: 26.88 USD


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  • Event Memory – Red LED flashes every 60 seconds to alert that a high level of carbon monoxide has been detected within the last 14 days.
  • Test/Reset Button – Tests the unit for proper operation. Resets the Carbon Monoxide Alarm.
  • Self Activation – Alarm automatically activates when attached to the mounting bracket.
  • LED - Green LED flashes every 30 seconds to indicate the unit is operating properly. Red LED when a dangerous level of carbon monoxide is detected the red LED will pulse and a loud alarm pattern will sound. The carbon monoxide alarm pattern is 4 short beeps, followed by 5 seconds of silence, followed by 4 short beeps with a corresponding red LED flash. This cycle will continue for 4 minutes and then change to 2 patterns once a minute there after. Amber LED flashes every second to indicate the unit is in fault mode. One quick beep every 30 seconds alerts the unit is in error condition. One quick beep every 60 seconds is an indication of low battery power.
  • Sealed-in Lithium Battery – Sealed-in lithium power supply; no battery replacement required over the 10 year life of the alarm. Eliminates worry about battery removal or unauthorized deactivation of alarm.
  • Fit type: Universal Fit
  • "case size: 6.375"w x 2.875"h x 1.25"d"
  • operating temperature: -40° f to +158° f
  • low voltage power warning
  • operational range: 12 volts +/-15%
  • power supply & current draw: 108 ma @ 12 vdc
  • Very easy to install at home or bedroom. Precise electro-optical sensor, high consistency and stability, move, or in the same place for that. Loud enough and sounds good.
  • UL Certified, 10-year limited warranty
  • Replacement Alert - can be silenced for 3 days at a time, maximum of 30 days; tamper-resistant technology deters removal of the unit or battery from the wall or ceiling
  • No battery replacement needed - combo smoke and CO detector operates on a non-replaceable, 10-year lithium battery
  • Photoelectric & electrochemical sensing technology - combination smoke & CO detector detects visible fire particles, 85 decibel alarm alerts of fire
  • Fire & CO Detector in 1 unit with alert modes, LED light, test-silence button, & Replacement Alert: a chirp that notifies when the unit needs to be replaced
  • 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
  • ✔️ Unit Comes With with Long Live Batteries
  • ✔️ 5 Year Waranty
  • ✔️ 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.
  • ✔️ This Smoke& carbon monoxide detector suitable for all where it is possible to produce carbon monoxide, such as your home kitchen, bedroom, bathroom, hotel, or you are in the barbecue time,
  • ✔️ Smoke Detector and Carbon Monoxide Detector Alarm Combo Unit
  • 9V Battery Included
  • Tamper Resistant Locking Pin Locks Alarm Cover to Prevent Removal of Battery
  • End of Life Signal
  • Two Silence Features Silence Low Battery Chirp For up to 8 Hours
  • Electrochemical CO Sensor is the most accurate technology available
  • Faster turnarounds on job sites with the easy-to-install, most-trusted alarms in home safety
  • FEATURES, 9-Volt Battery and all necessary mounting hardware
  • HELPFUL, 2 silence features that silence both alarm and low-battery chirp
  • CONVENIENT, end of life chirping signal
  • HIGHEST QUALITY, most accurate electrochemical co sensor technology
  • Quick & Easy Installation with Guaranteed Quality: Product Dimensions: 4 * 4 * 1.5 inch, Requires no rewiring; easy to mount on any wall or ceiling with the included mounting bracket, screws and anchor plugs; certified to meet the UL safety standards for your peace of mind and absolute confidence in our product. you can get: 1. two detector alarms with Mounting bracket, 2. one manual, 3. four screws.
  • Simple to Use: Test/Silence button 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 sound throughout your entire home, instantly alerting the entire household, even those in sleep
  • 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
  • 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
  • Keep your family safe with this battery operated smoke and carbon monoxide alarm; battery powered alarms provide continuous monitoring of CO and smoke levels, even if there's a power failure(Operated by 2 x 1.5V AA Batteries (not included)
  • Quality Assurance: Comply with UL217 and UL2034 standards. We offer a 12-month worry-free money back guarantee and a 5-year warranty. If you have any questions or concerns, please feel free to contact us and we will reply to you within 24 hours. You can have complete confidence in our products.
  • AA Batteries that can be Removed and Replaced:Depending on the quality of the battery, the alarm battery needs to be replaced every 1-3 years.The battery life will be shortened by the influence of the environment, especially in the extremely cold environment. The detachable way can ensure that when the battery fails,you only need to replace the battery instead of throwing away the alarm.
  • LCD Display and LED Indicator:By triggering the button, the smoke concentration and carbon monoxide concentration in the environment are displayed at any time, accompanied by the regular flashing of the LED indicator, to actively inform you of the alarm and the safety status of the environment. The operation is simple and easy to understand.
  • High-quality Sensor:It integrates a highly sensitive photoelectric sensor and a highly stable electrochemical carbon monoxide sensor at the same time.Whether the smoke or the carbon monoxide concentration in the environment exceeds a certain index, it will send out an alarm to remind you to stay away from danger.
  • 2-in-1 Detection Alarm: YJ-901 is a battery-powered smoke and carbon monoxide alarm. Using SMT manufacturing process, it has a dustproof, mothproof and anti-white light interference design. High quality and reliable performance.

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Smoke and Carbon Monoxide Detector Powered by Battery with Digital Display, Dual Alarm Sensor of Smoke and CO,Easy to Install

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Smoke and Carbon Monoxide Detector Powered by Battery with Digital Display, Dual Alarm Sensor of Smoke and CO,Easy to Install

Current price: 14.99 USD


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Height: 1.45 Inches

Length: 4.17 Inches

Width: 4.17 Inches

  • Event Memory – Red LED flashes every 60 seconds to alert that a high level of carbon monoxide has been detected within the last 14 days.
  • Test/Reset Button – Tests the unit for proper operation. Resets the Carbon Monoxide Alarm.
  • Self Activation – Alarm automatically activates when attached to the mounting bracket.
  • LED - Green LED flashes every 30 seconds to indicate the unit is operating properly. Red LED when a dangerous level of carbon monoxide is detected the red LED will pulse and a loud alarm pattern will sound. The carbon monoxide alarm pattern is 4 short beeps, followed by 5 seconds of silence, followed by 4 short beeps with a corresponding red LED flash. This cycle will continue for 4 minutes and then change to 2 patterns once a minute there after. Amber LED flashes every second to indicate the unit is in fault mode. One quick beep every 30 seconds alerts the unit is in error condition. One quick beep every 60 seconds is an indication of low battery power.
  • Sealed-in Lithium Battery – Sealed-in lithium power supply; no battery replacement required over the 10 year life of the alarm. Eliminates worry about battery removal or unauthorized deactivation of alarm.
  • Fit type: Universal Fit
  • "case size: 6.375"w x 2.875"h x 1.25"d"
  • operating temperature: -40° f to +158° f
  • low voltage power warning
  • operational range: 12 volts +/-15%
  • power supply & current draw: 108 ma @ 12 vdc
  • Very easy to install at home or bedroom. Precise electro-optical sensor, high consistency and stability, move, or in the same place for that. Loud enough and sounds good.
  • UL Certified, 10-year limited warranty
  • Replacement Alert - can be silenced for 3 days at a time, maximum of 30 days; tamper-resistant technology deters removal of the unit or battery from the wall or ceiling
  • No battery replacement needed - combo smoke and CO detector operates on a non-replaceable, 10-year lithium battery
  • Photoelectric & electrochemical sensing technology - combination smoke & CO detector detects visible fire particles, 85 decibel alarm alerts of fire
  • Fire & CO Detector in 1 unit with alert modes, LED light, test-silence button, & Replacement Alert: a chirp that notifies when the unit needs to be replaced
  • 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
  • ✔️ Unit Comes With with Long Live Batteries
  • ✔️ 5 Year Waranty
  • ✔️ 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.
  • ✔️ This Smoke& carbon monoxide detector suitable for all where it is possible to produce carbon monoxide, such as your home kitchen, bedroom, bathroom, hotel, or you are in the barbecue time,
  • ✔️ Smoke Detector and Carbon Monoxide Detector Alarm Combo Unit
  • 9V Battery Included
  • Tamper Resistant Locking Pin Locks Alarm Cover to Prevent Removal of Battery
  • End of Life Signal
  • Two Silence Features Silence Low Battery Chirp For up to 8 Hours
  • Electrochemical CO Sensor is the most accurate technology available
  • Faster turnarounds on job sites with the easy-to-install, most-trusted alarms in home safety
  • FEATURES, 9-Volt Battery and all necessary mounting hardware
  • HELPFUL, 2 silence features that silence both alarm and low-battery chirp
  • CONVENIENT, end of life chirping signal
  • HIGHEST QUALITY, most accurate electrochemical co sensor technology
  • Quick & Easy Installation with Guaranteed Quality: Product Dimensions: 4 * 4 * 1.5 inch, Requires no rewiring; easy to mount on any wall or ceiling with the included mounting bracket, screws and anchor plugs; certified to meet the UL safety standards for your peace of mind and absolute confidence in our product. you can get: 1. two detector alarms with Mounting bracket, 2. one manual, 3. four screws.
  • Simple to Use: Test/Silence button 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 sound throughout your entire home, instantly alerting the entire household, even those in sleep
  • 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
  • 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
  • Keep your family safe with this battery operated smoke and carbon monoxide alarm; battery powered alarms provide continuous monitoring of CO and smoke levels, even if there's a power failure(Operated by 2 x 1.5V AA Batteries (not included)
  • Quality Assurance: Comply with UL217 and UL2034 standards. We offer a 12-month worry-free money back guarantee and a 5-year warranty. If you have any questions or concerns, please feel free to contact us and we will reply to you within 24 hours. You can have complete confidence in our products.
  • AA Batteries that can be Removed and Replaced:Depending on the quality of the battery, the alarm battery needs to be replaced every 1-3 years.The battery life will be shortened by the influence of the environment, especially in the extremely cold environment. The detachable way can ensure that when the battery fails,you only need to replace the battery instead of throwing away the alarm.
  • LCD Display and LED Indicator:By triggering the button, the smoke concentration and carbon monoxide concentration in the environment are displayed at any time, accompanied by the regular flashing of the LED indicator, to actively inform you of the alarm and the safety status of the environment. The operation is simple and easy to understand.
  • High-quality Sensor:It integrates a highly sensitive photoelectric sensor and a highly stable electrochemical carbon monoxide sensor at the same time.Whether the smoke or the carbon monoxide concentration in the environment exceeds a certain index, it will send out an alarm to remind you to stay away from danger.
  • 2-in-1 Detection Alarm: YJ-901 is a battery-powered smoke and carbon monoxide alarm. Using SMT manufacturing process, it has a dustproof, mothproof and anti-white light interference design. High quality and reliable performance.
  • 5 Year Manufacturer’s Warranty.
  • Battery-powered Unit Can be Installed Quickly and Easily without an Electrician.
  • Carbon Monoxide Detector and Smoke Alarm Providing Whole-day Protection.
  • Built-in Electrochemical Sensor with High Accuracy and Infrared Photoelectric Sensor Helping to Reduce False Alarms.
  • Smoke and Carbon Monoxide Detector Offering Excellent Security: Makg ain Loud Alarm (85 dB) When It Detects a Buildup of Smoke or Carbon Monoxide, and Instantly Alert Those In Danger.

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