1x carbon monoxide detector. Lifespan 10 years, electrochemical sensor He (high stability);. Battery low battery indication;. 10 Year Life Carbon 1-10X Monoxide CO Detector with Battery CO2 Warning Sensor.
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Halogen Leak Detector Freon Gas Analyzer CFC HFC HVAC Halogen Refrigerant Gas Detector Air Conditioning Tester R22 R410A R134A
Aliexpress UK
1xcarbon monoxide detector. Alarm current:<50mA. Red light:Alarm. This machine is 433mhz versio n, can be independent alarm. Life yellow light:Sensor life. Sensor life: 5-10 years. Battery life:at least 1 year.
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ANENG GN803 Combustible Gas Detector Gas Tank Leak Tester -10~60℃/20~80%RH LCD Display Gas Sensor Meter with Sound Light Alarm
Aliexpress UK
1X-10X CO Detector Carbon Monoxide Alarm 10 Year Life with Battery & LCD Display. 1xcarbon monoxide detector. Alarm current:<50mA. Red light:Alarm. This machine is 433mhz versio n, can be independent alarm.
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Halogen Leak Detector Refrigerant Gas Car Air Conditioner Refrigerator Freon CFCs HCFCs Halon Detector Meter SW-743A
Aliexpress UK
Carbon Monoxide CO Monitor Detector CO Alarm Battery Powered with LCD Display. Smoke Fire Alarm Wifi Mini Smoke Detector with 10-Year Battery Life(Included). Rapid and Accurate Carbon Monoxide Detector: Equipped with an electrochemical CO sensor, this CO alarm ensures swift and precise detection of carbon monoxide levels.
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SW-743A Electronic air conditioning refrigerant refrigerant Freon maintenance leak detector halogen gas detector
Aliexpress UK
Smoke Carbon Monoxide Alarm Detectors – Test Function Included. Monitors air quality continuously—normal readings show 0–30ppm; high levels trigger an alarm based on industry safety standards. Green LED blinks every 30 seconds in standby mode for peace of mind.
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Tuya WIFI Combustible Gas Detector Gas Alarm Digital Gas Detection Sensor Gas Leak Tester Sound Alarm Smart Air Quality Detector
Aliexpress UK
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Digital Carbon Monoxide Detector CO Alarm Detector with LED Indicator High Sensitive Gas Detector Sound Warning Gas Leak Sensor
Aliexpress UK
10 Year Life CO Detector Carbon Monoxide Alarm LED Digital Battery Powered. Output form: sound and light alarm. Alarm sound: >80dB(1m). Low battery indicator. Low battery warning function. 10 years service life of the sensor.
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Bosean O2 H2S CO LEL 4 in 1 Oxygen Hydrogen Sulfide Carbon Monoxide Leak Detector Pump Multi Gas Detector Gas Meter
Aliexpress UK
Carbon Monoxide Detector – LED Digital Display, High-Sensitivity Alarm, Battery Powered. Without proper detection, exposure to CO can lead to serious health risks, including headaches, dizziness, unconsciousness, or even fatal poisoning.
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WJL-6000 Halogen Leak Detector R22a R410A R134A R4047A MP39 Gas Detector Freon Gas Analyzer Refrigerant Air Conditioning Tester
Aliexpress UK