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(as of Apr 12,2025 13:04:56 UTC – Details)
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Product Description
Combination gas & carbon monoxide detector 
Upgrade 4-in-1 Gas and Carbon Monoxide Detector
Real-time monitoring of PPM, %LEL, °F and %RH
Wide range of applications 
Attention:
1,The detector has an alarm threshold, only when the concentration of combustible gas or carbon monoxide reaches a certain alarm value will be triggered, other gases can not be monitored as well as will not trigger the alarm.
2,Check the product daily to make sure the green light is always on.
3,Please clean and maintain the product regularly. It is recommended to clean the detector weekly with a soft bristle brush or vacuum cleaner.
4,Do not install in very dirty, dusty or greasy places such as kitchens, garages and rooms. Oil, dust or household chemicals may contaminate or pollute the detector’s sensor head and prevent the detector from functioning properly.
Model KH-158 Power Supply Plug-in AC110-220V CO Level Range 0-999ppm Natural Gas Level Range 0-10%LEL Humidity Rang 0-99% Fahrenheit Range 1-176℉ Warm-up Time 60S Real-time Digital Display %LEL,PPM, °F and %RH
Product Comparison
4-in-1 gas & co detector
Plug and play, Easy to install
Backup 9V Battery Function
When the power goes out, continue to monitor the environment to save your mind
Brush Flash Design
The design is more prominent and alerts you to the presence of an alarm.
Real-time Digital Display
4-in-1 Real-time Digital Display Level: %LEL,PPM, °F and %RH
Plug and play
Easy to install, Saves you installation time.
Real-time Digital Display
4-in-1 Real-time Digital Display Level: %LEL,PPM, °F and %RH
【3 Packs Upgrade Plug-in Combination Gas & Carbon Monoxide Detector】 Plug and play, easy to install, 4-in-1 sensor, real-time monitoring display and alarm.
【Combination Gas & Carbon Monoxide Sensor】 Adopting catalytic combustion sensor and electrochemical sensor, real-time monitoring and displaying the concentration of combustible gas and carbon monoxide, with sharper and more accurate sense of smell.
【Temperature（°F） and Humidity Sensor】Real-time detection and display of temperature and humidity, let you know the environment in real time.
【85dB Alarm Sound】Combination gas and carbon monoxide detector will alert you immediately when the combustible gas or carbon monoxide concentration reaches the default value.
【Upgraded Design Round Color Screen】Color display with bigger and clearer digital display.
【Application】Combination gas and carbon monoxide detector is suitable for home, restaurant, apartment, office, hotel, petroleum plant, gas station, campervan, etc.