Features: 1.LCD Digital Display: Large LCD screen displays gas concentration and device status in real time, so you always know the exact gas concentration in the air of your home. 2.Multiple Gas Detection: Gas leak monitor supports multiple gas detection such as methane, LPG, natural gas, gaseous fuels and other gas monitoring. 3.APP Monitoring: The gas alarm can be connected to cell phone APP, if there is gas leakage, it can sound the alarm and send to your cell phone. Let you know the situation more quickly. 4.Installation Place: Can be installed near furnaces, water heaters, washing machines, fireplaces, kitchens, garages or grills to prevent accidents caused by dangerous gas leaks. 5.Easy to Install: You can fix the detector to a smooth wall with a round double sided adhesive sticker, or to a rough wall with 2 screws. specification:Item Type: Gas Leak Detector Material: ABS Color: White Power Supply: Micro USB 5V/1A Applicable Gas: Methane (natural gas)/LPG Sampling Method: Natural Diffusion Range: 0-100%LEL Alarm Set Concentration Value: 6%LEL Alarm Concentration Error: 3%LEL Response Time: 30 Seconds High Temperature Alarm Setting Value: 57 Alarm Volume: 0dB (1 Meter in Front of the Alarm) Alarm Mode: Sound and light alarm, real voice prompt, cell phone alarm push, alarm linkage output WiFi: 2.4GHz IEEE802.11b/g/n PackageList:1 x GasLeakDetector 1 x Sticker 2 x Screw 2 x Screw Sleeve 1 x Wire 1 xPower Supply Line 1 x Manual