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 or 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 and39 Smart Lifeand39 APP, itand39 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 or mainpulator to turn gas leak source off.Itand39 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 or US Plug or EU Plug or UK Plug (Optional)Shell Color: White and BlackMaterial: Flame Retardant PlasticConsumption: 200mADetecting Gas: Natural Gas (CH4), LPGWorking Environment: Temperature -10-55 Humidity95 percent RH (Non-condensing)Sample: DiffusionRange: 0-100 percent LELAlarm Setting Value: 6 percent LELTolerance: 3 percent LELResponse Time: 30sHeat Alarm Value: 57Alarm Volume70dBAlarm with: Indicator, sound, voice prompt and APP notification pushValve or Mainpulator Drive Output: 12V or 300mA for 15sWarm-up Time: 180sWi-Fi: 2.4GHzAPP: Compatible with Smart LifeItem Size: 86 x 24.5mm or 3.39 x 0.96in (Dia. x H)Item Weight: 78g or 2.75ozPackage Size: 9 x 9 x 5cm or 3.54 x 3.54 x 1.97inPackage Weight: 133g or 4.68oz (USB Type) 157g or 5.52oz (Power Adapter Type)Package List:1 x Wifi Gas Leak Detector1 x USB Cable2 x Screw2 x Hose1 x Wiring1 x User Manual (English)