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433MHz Photoelectronc Smoke and Heat Detector

$8.78
1. Adopts MCU auto-processing technology. 2. Heat sensor + smoke sensor. 3. Malfunction auto-check. 4. Auto-reset after trigger. 5. Infrated
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Carbon Monoxide Detector Gas Alarm Sensor Poisoning Gas Tester Human Voice Warning Detector with LCD Display

$26.35
Type:Carbon Monoxide DetectorsSensor Type:Electrochemical CO sensorSensitive Level:5 PPMOverview:The product is carbon monoxide gas detector with human voice prompt and microprocessor
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Detached Photoelectric Smoke Fire Detector Home Security Auto Dial Alarm System Sensor

$19.75
Features:Smoke detector is a device that detects smoke, typically as an indicator of fire. Commercial, industrial, and mass residential devices
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DM1308B Carbon Dioxide Detector Concentration Monitor with LED Display

$25.35
1. LED screen display2. Infrared carbon dioxide sensor3. Temperature display: Celsius4. Carbon dioxide detection range: 400-5000 ppm5. Carbon dioxide exceeding
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DM306C CO2 Concentration Detector Carbon Dioxide Detection Analyzer Multifunctional Air Quality Monitor

$25.65
1. Normal screen display2. Infrared carbon dioxide sensor3. Temperature display: Celsius, Fahrenheit, can be switched manually4. Carbon dioxide detection range:
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DY-YG100D Wireless 433MHZ Household Gas Alarm

$24.26
Product parameters: 1. Working voltage: 9V. 2. Standby current: less than or equal to 10 microamps. 3. Alarm current: less
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Gas Carbon Monoxide Detector Sensor Unit LCD CO Safety Alarm Tester(White)

$18.61
1. Loud 85db alarm 2. Permanent carbon monoxide sensor 3. The red LED will flash while in alarm mode 4.
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JSM-131 Portable CO2 TVOC Formaldehyde Carbon Dioxide Detector

$45.89
1. Function: formaldehyde/chemical pollutants/carbon dioxide/air quality detection2. Detection technology: natural air flow detection technology3. Display mode: LED digital display +
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JSN-997 Mini LCD Digital Display Carbon Monoxide Detection Alarm without Battery

$7.91
1. Working temperature: 0-50 degrees Celsius 2. Working voltage: 2 AA batteries 3. Alarm sound: greater than 85dB 4. High
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JSN-999COM Live Voice Alarm Smoke Carbon Monoxide Alarm Detector without Battery

$13.86
1. Product size: 126x40mm 2. Battery powered: DC 3×1.5V AA battery 3. Quiescent current: less than 20uA 4. Alarm current:
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Original Xiaomi Honeywell Smart Fire Alarm Smoke Detector Alarm, Work with Xiaomi Multimode Smart Home Gateway 2 (CA1001) Mihome APP Control

$47.06
1. It monitors the kitchen for dangerous gasses and if it detects a potentially explosive amount of CO/Smoke, it will
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Original Xiaomi Smart Home Gas Alarm Sensor Detector, US Plug

$37.02
1. Adopt dual air inlets at the front and rear, supplemented by built-in sensors to monitor the concentration of natural
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