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. 1 x Gas Leak Detector1 x Sticker2 x Screw2 x Screw Sleeve1 x Wire1 x Power Supply Line1 x Manual Item Type: Gas Leak DetectorMaterial: ABSColor: WhitePower Supply: Micro USB 5V/1AApplicable Gas: Methane (natural gas)/LPGSampling Method: Natural DiffusionRange: 0-100%LELAlarm Set Concentration Value: 6%LELAlarm Concentration Error: ±3%LELResponse Time: ≤30 SecondsHigh 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 outputWiFi: 2.4GHz IEEE 802.11b/g/n