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Product Description
Upgrade 4-in-1 Plug-in Combination Gas & Carbon Monoxide Detector
Upgraded Sensor Design 
4-in-1 Design Sensor:Electrochemical Sensor,Catalytic Combustion Sensor,Fahrenheit Sensor and Humidity Sensor
Model KH156 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
Combination gas and carbon monoxide detector
4-in-1 Digital Display
Real-time Display: %LEL,PPM,°F and %RH
2-in-1 Gas and CO Detector
Plug and play,Easy to install
4-in-1 Digital Display
Real-time Display: %LEL,PPM,°F and %RH
Flash Design
Alarm will keep flashing
Digital Display
PPM and %LEL
Easy to Install
Plug and play
【3 Packs Upgrade Combination Gas & Carbon Monoxide Detector Plug in】 Plug and play, Easy to install, 4-in-1 sensor, Real-time monitoring display and alarm
【2-in-1 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.
【Large Screen Design】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.
Item weight: 0.1 pounds
Power source type: AC-Plug-in