This product is designed to detect explosive gases (natural gas and LPG) in the air for houses, offices and similar places. In case of gas leak, it alarms sound with voice prompt, pushes text notification to your mobile and drives the valve mainpulator to turn gas leak source off. Features: The gas leak detector is especially designed to detect explosive gases (natural gas and LPG) in the air for houses, offices and more places. Large TFT color LCD screen cleary displays date, week, time, gas concentration value, temperature, etc. Easy to read even in the dark. Supports 2.4GHz wifi, compatible with & 39;Smart Life& 39; APP, it& 39;s easy for you to check and control via mobile APP anytime and anywhere, making it more convenient to use. In case of gas leak, it alarms sound with voice prompt, pushes text notification to your mobile and drives the valve mainpulator to turn gas leak source off. It& 39;s also a fire alarm device with the built-in heat sensor designed to respond when the convected thermal energy of a fire increases the temperature. Heat alarm value: 57. Specifications: Type: USB Type US Plug EU Plug UK Plug (Optional) Shell Color: White + Black Material: Flame Retardant Plastic Consumption: 200mA Detecting Gas: Natural Gas (CH4), LPG Working Environment: Temperature -10~55; Humidity95%RH (Non-condensing) Sample: Diffusion Range: 0-LEL Alarm Setting Value: 6%LEL Tolerance: 3%LEL Response Time: 30s Heat Alarm Value: 57 Alarm Volume70dB Alarm with: Indicator, sound, voice prompt and APP notification push Valve Mainpulator Drive Output: 12V 300mA for 15s Warm-up Time: 180s Wi-Fi: 2.4GHz APP: Compatible with Smart Life Item Size: 86 * 24.5mm 3.39 * 0.96in (Dia. * H) Item Weight: 78g 2.75oz Package Size: 9 * 9 * 5cm 3.54 * 3.54 * 1.97in Package Weight: 133g 4.68oz (USB Type); 157g 5.52oz (Power Adapter Type) Package List: 1 * Wifi Gas Leak Detector 1 * Power Adapter 2 * Screw 2 * Hose 1 * Wiring 1 * User Manual (English)