Best Household Sensors . KOOBOOK brand. New releases 2021

KOOBOOK 1Pcs High Decibel Water Leakage Detector Sensor Household Water Leak Monitor Sound Light Alarm Device Waterproof

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KOOBOOK 1Pcs High Decibel Water Leakage Detector Sensor Household Water Leak Monitor Sound Light Alarm Device Waterproof

Current price: 8.79 USD

Saving: $2.20 (20%)


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  • This product is widely used in boiler rooms, ceilings, basements, bathrooms, water towers, water heaters, steam generators, washing machines and other areas involving water.
  • The alarm is detachable, the battery can be disassembled and replaced at any time, it is very convenient and practical.(Battery No Including)
  • It has an alarm function with a large volume,there are 2 probes on the bottom,when the water flows through the probe, the alarm will produce a loud alarm,and flashing at the same time, warning us to leak.
  • Waterproof design,when the water rises, the siren will float on the water and will not be soaked by water, effectively preventing the damage of electronic components.
  • Material: ABS Plastic;It has high performance and high sensitivity, small size and strong applicability.

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KOOBOOK 1Pcs MAX30102 Oximeter Heart Rate Beat Pulse Sensor Monitor Module Replace MAX30100 R6D3

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KOOBOOK 1Pcs MAX30102 Oximeter Heart Rate Beat Pulse Sensor Monitor Module Replace MAX30100 R6D3

Current price: 4.99 USD


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  • This product is widely used in boiler rooms, ceilings, basements, bathrooms, water towers, water heaters, steam generators, washing machines and other areas involving water.
  • The alarm is detachable, the battery can be disassembled and replaced at any time, it is very convenient and practical.(Battery No Including)
  • It has an alarm function with a large volume,there are 2 probes on the bottom,when the water flows through the probe, the alarm will produce a loud alarm,and flashing at the same time, warning us to leak.
  • Waterproof design,when the water rises, the siren will float on the water and will not be soaked by water, effectively preventing the damage of electronic components.
  • Material: ABS Plastic;It has high performance and high sensitivity, small size and strong applicability.
  • The module can be shut down through software with zero standby current, allowing the power rails to remain powered at all times.For mobile and wearable devices.
  • Communication is through a standard I 2 C-compatible interface.
  • The MAX30102 operates on a single 1.8V power supply,and a separate 5.0V power supply for the internal LEDs.
  • It includes internal LEDs,photodetectors, optical elements, and low-noise electronics,with ambient light rejection.
  • The MAX30102 is an integrated pulse oximetry and heart-rate monitor module.

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KOOBOOK 1Pcs PIR IR Pyroelectric Infrared Module Adjust Relay Output Human Body Sensor DC12V Range 5-8M

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KOOBOOK 1Pcs PIR IR Pyroelectric Infrared Module Adjust Relay Output Human Body Sensor DC12V Range 5-8M

Current price: 7.99 USD


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  • This product is widely used in boiler rooms, ceilings, basements, bathrooms, water towers, water heaters, steam generators, washing machines and other areas involving water.
  • The alarm is detachable, the battery can be disassembled and replaced at any time, it is very convenient and practical.(Battery No Including)
  • It has an alarm function with a large volume,there are 2 probes on the bottom,when the water flows through the probe, the alarm will produce a loud alarm,and flashing at the same time, warning us to leak.
  • Waterproof design,when the water rises, the siren will float on the water and will not be soaked by water, effectively preventing the damage of electronic components.
  • Material: ABS Plastic;It has high performance and high sensitivity, small size and strong applicability.
  • The module can be shut down through software with zero standby current, allowing the power rails to remain powered at all times.For mobile and wearable devices.
  • Communication is through a standard I 2 C-compatible interface.
  • The MAX30102 operates on a single 1.8V power supply,and a separate 5.0V power supply for the internal LEDs.
  • It includes internal LEDs,photodetectors, optical elements, and low-noise electronics,with ambient light rejection.
  • The MAX30102 is an integrated pulse oximetry and heart-rate monitor module.
  • It is suitable for automatic lighting of corridors, bathrooms, basements, warehouses, etc., automatic ventilation of exhaust fans, and automatic control of other electrical appliances.
  • Relay switch: can withstand high current output, high power load.
  • Adjustable delay time, ultra low power.
  • Bipolar design: three-wire connection.
  • When someone enters switch sensing range, special sensors to detect changes in the human body infrared spectrum, switch automatically switches the load, do not leave the sensing range (who are active), the switch will continue to turn; person left, switch off automatically load delay. People to light, people from the lights out, kind convenient, safe energy.

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KOOBOOK 3Pcs Infrared Proximity Distance Sensor Module 0A41SK GP2Y0A41SK0F Range 4-30cm with Cable

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KOOBOOK 3Pcs Infrared Proximity Distance Sensor Module 0A41SK GP2Y0A41SK0F Range 4-30cm with Cable

Current price: 19.99 USD


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  • This product is widely used in boiler rooms, ceilings, basements, bathrooms, water towers, water heaters, steam generators, washing machines and other areas involving water.
  • The alarm is detachable, the battery can be disassembled and replaced at any time, it is very convenient and practical.(Battery No Including)
  • It has an alarm function with a large volume,there are 2 probes on the bottom,when the water flows through the probe, the alarm will produce a loud alarm,and flashing at the same time, warning us to leak.
  • Waterproof design,when the water rises, the siren will float on the water and will not be soaked by water, effectively preventing the damage of electronic components.
  • Material: ABS Plastic;It has high performance and high sensitivity, small size and strong applicability.
  • The module can be shut down through software with zero standby current, allowing the power rails to remain powered at all times.For mobile and wearable devices.
  • Communication is through a standard I 2 C-compatible interface.
  • The MAX30102 operates on a single 1.8V power supply,and a separate 5.0V power supply for the internal LEDs.
  • It includes internal LEDs,photodetectors, optical elements, and low-noise electronics,with ambient light rejection.
  • The MAX30102 is an integrated pulse oximetry and heart-rate monitor module.
  • It is suitable for automatic lighting of corridors, bathrooms, basements, warehouses, etc., automatic ventilation of exhaust fans, and automatic control of other electrical appliances.
  • Relay switch: can withstand high current output, high power load.
  • Adjustable delay time, ultra low power.
  • Bipolar design: three-wire connection.
  • When someone enters switch sensing range, special sensors to detect changes in the human body infrared spectrum, switch automatically switches the load, do not leave the sensing range (who are active), the switch will continue to turn; person left, switch off automatically load delay. People to light, people from the lights out, kind convenient, safe energy.
  • The frequency of updates/cycle : 25 Hz/40 ms;Analog output noise : < 200 mV
  • The average power consumption : 35 mA;Peak power consumption : about 200 Ma
  • The power supply voltage : 4.5 to 5.5 V
  • The maximum allowable Angle : > 40 °
  • Measurement range: 4cm to 30cm

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KOOBOOK 2Pcs Liquid Level Controller Sensor Module DC 12V Water Level Detection Sensor Drainage Control Circuit Board

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KOOBOOK 2Pcs Liquid Level Controller Sensor Module DC 12V Water Level Detection Sensor Drainage Control Circuit Board

Current price: 11.99 USD


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  • This product is widely used in boiler rooms, ceilings, basements, bathrooms, water towers, water heaters, steam generators, washing machines and other areas involving water.
  • The alarm is detachable, the battery can be disassembled and replaced at any time, it is very convenient and practical.(Battery No Including)
  • It has an alarm function with a large volume,there are 2 probes on the bottom,when the water flows through the probe, the alarm will produce a loud alarm,and flashing at the same time, warning us to leak.
  • Waterproof design,when the water rises, the siren will float on the water and will not be soaked by water, effectively preventing the damage of electronic components.
  • Material: ABS Plastic;It has high performance and high sensitivity, small size and strong applicability.
  • The module can be shut down through software with zero standby current, allowing the power rails to remain powered at all times.For mobile and wearable devices.
  • Communication is through a standard I 2 C-compatible interface.
  • The MAX30102 operates on a single 1.8V power supply,and a separate 5.0V power supply for the internal LEDs.
  • It includes internal LEDs,photodetectors, optical elements, and low-noise electronics,with ambient light rejection.
  • The MAX30102 is an integrated pulse oximetry and heart-rate monitor module.
  • It is suitable for automatic lighting of corridors, bathrooms, basements, warehouses, etc., automatic ventilation of exhaust fans, and automatic control of other electrical appliances.
  • Relay switch: can withstand high current output, high power load.
  • Adjustable delay time, ultra low power.
  • Bipolar design: three-wire connection.
  • When someone enters switch sensing range, special sensors to detect changes in the human body infrared spectrum, switch automatically switches the load, do not leave the sensing range (who are active), the switch will continue to turn; person left, switch off automatically load delay. People to light, people from the lights out, kind convenient, safe energy.
  • The frequency of updates/cycle : 25 Hz/40 ms;Analog output noise : < 200 mV
  • The average power consumption : 35 mA;Peak power consumption : about 200 Ma
  • The power supply voltage : 4.5 to 5.5 V
  • The maximum allowable Angle : > 40 °
  • Measurement range: 4cm to 30cm
  • The product does not need to buy another probe, using household wiring can replace probe.
  • This product can be used in pond water tank, garage, basement flooding rains place where automatic drainage, etc.
  • Automatically open when you can stably pool (water tower) water pump (solenoid) pumping, automatically stops the pump (solenoid) when full of water.
  • With a small, simple wiring, low power consumption, high switching capacity, interference is strong, functional stability characteristics.
  • This product is based on the actual needs of the family factories and pumping and the detection of the pool (water tower) to control the water level to achieve control.

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