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 '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 or 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: Type: USB Type or US Plug or EU Plug or UK Plug (Optional) Shell Color: White and Black Material: Flame Retardant Plastic Consumption: 200mA Detecting Gas: Natural Gas (CH4), LPG Working Environment: Temperature -10-55 Humidity95 percent RH (Non-condensing) Sample: Diffusion Range: 0-LEL Alarm Setting Value: 6 percent LEL Tolerance: ±3 percent LEL Response Time: ≤30s Heat Alarm Value: 57 Alarm Volume≥70dB Alarm with: Indicator, sound, voice prompt and APP notification push Valve or Mainpulator Drive Output: 12V or 300mA for 15s Warm-up Time: 180s Wi-Fi: 2.4GHz APP: Compatible with Smart Life Item Size: 86 x 24.5mm or 3.39 x 0.96in (Dia. x H) Item Weight: 78g or 2.75oz Package Size: 9 x 9 x 5cm or 3.54 x 3.54 x 1.97in Package Weight: 133g or 4.68oz (USB Type) 157g or 5.52oz (Power Adapter Type) Package List: 1 x Wifi Gas Leak Detector 1 x Power Adapter 2 x Screw 2 x Hose 1 x Wiring 1 x User Manual (English)