①. 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. ②. Features: ③. The gas leak detector is especially designed to detect explosive gases (natural gas and LPG) in the air for houses, offices and more places. ④. Large TFT color LCD screen cleary displays date, week, time, gas concentration value, temperature, etc. Easy to read even in the dark. ⑤. Supports 2.4GHz wifi, compatible with 'Smart Life' APP, it's easy for you to check and control via mobile APP anytime and anywhere, making it more convenient to use. ⑥. 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. ⑦. It'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. ⑧. Specifications: ⑨. Type: USB Type/ US Plug/ EU Plug/ UK Plug (Optional) ⑩. Shell Color: White + Black ⑪. Material: Flame Retardant Plastic ⑫. Consumption: 200mA ⑬. Detecting Gas: Natural Gas (CH4), LPG ⑭. Working Environment: Temperature -10~55; Humidity95%RH (Non-condensing) ⑮. Sample: Diffusion ⑯. Range: 0-100%LEL ⑰. Alarm Setting Value: 6%LEL ⑱. Tolerance: 3%LEL ⑲. Response Time: 30s ⑳. Heat Alarm Value: 57 ㉑. Alarm Volume70dB ㉒. Alarm with: Indicator, sound, voice prompt and APP notification push ㉓. Valve/ Mainpulator Drive Output: 12V/ 300mA for 15s ㉔. Warm-up Time: 180s ㉕. Wi-Fi: 2.4GHz ㉖. APP: Compatible with Smart Life ㉗. Item Size: 86 * 24.5mm / 3.39 * 0.96in (Dia. * H) ㉘. Item Weight: 78g / 2.75oz ㉙. Package Size: 9 * 9 * 5cm / 3.54 * 3.54 * 1.97in ㉚. Package Weight: 133g / 4.68oz (USB Type); 157g / 5.52oz (Power Adapter Type) ㉛. Package List: ㉜. 1 * Wifi Gas Leak Detector ㉝. 1 * Power Adapter ㉞. 2 * Screw ㉟. 2 * Hose ㊱. 1 * Wiring ㊲. 1 * User Manual (English)