3 Packs Plug in Explosive-Gas & Carbon-Monoxide-Detectors,Hembisen 4-in-1 Carbon Monoxide Alarm,Natural Gas Leak Detector with °F & Humidity 4 Sensors for Home,RV,Apartment

Additional Details from the Manufacturer

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More features

• 【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.