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 'Smart Life' APP, it'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'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:  Plug: UK  Shell Color: White + Black  Material: Flame Retardant Plastic  Consumption: ＜200mA  Detecting Gas: Natural Gas (CH4), LPG  Working Environment: Temperature -10~55℃; Humidity＜95%RH (Non-condensing)  Sample: Diffusion  Range: 0-100%LEL  Alarm Setting Value: 6%LEL  Tolerance: ±3%LEL  Response Time: ≤30s  Heat Alarm Value: 57℃  Alarm Volume≥70dB  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)