1. Detectable Gas:The natural gas leak detector detects the main deadly gases: Natural gas (Methane, butane, ethane, LNG, etc) and Propane ( or liquefied petroleum gas). 2. On-site Alarm and APP Remote Alarm:This gas alarm can be connected with mobile phone APP in a wireless environment. After connection, you can always receive the information of the alarm when you go out and once the alarm occurs. 3. High Precision:The has an LCD screen that displays precise, real-time gas readings so that you know the exact gas concentration in the air of your home at all times. 4. Installation Location:This propane alarm has an long 6 foot power cord which allows you to install it in the exact Perfect location in your house to allow for proper gas detection. Screw fix or paste installation. 5. Stylish Appearance:This newly released natural gas alarm is sleek and modern and has a beautiful blue LCD screen that will complement the style of your home or without detracting from your interior design. Type:detector Power supply:-USB+5V/1A Power source:200mA Detecting gas:Natural gas(CH4), Working Environment:Temperature:-10~55 Range:0-100% Alarm setting value:6% Tolerance:3% Response time: Heat alarm value:57 Alarm volume:70db Wifi:2.4GHZ IEEE802.11b/g Dimensions:86X86X24.5mm Colour:black+white Material:ABS Package Contents: 1X The natural gas leak detector 1X USB charging cable 1X mounting accessories 1X Chinese and English manual Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.