Features: 1.Built?in fan and high?performance computing chip can quickly inhale ambient air, 3S fast response, and high sensitivity. 2.When the gas concentration value reaches 7%LEL (3%LEL), the detector will sound an alarm and push an alarm notification to your mobile phone. 3.Suitable for detecting LPG (methane), natural gas, coal gas, gas fuel, artificial coal gas, liquefied petroleum gas, liquefied natural gas, etc. 4.Download the for TUYA Smart APP in the application store, connect to the smartphone APP via WIFI, and check the gas quality of your home. 5.Mobile smart phone remote control, real?time access to work status, make your home smarter, bring you more convenience. 6.The gas leak detector adopts a plug?and?play design, and can be directly plugged into a power socket to detect gas leaks. Specification: Item Type: Gas Detector Material: ABS Alarm Sensitivity: 7%LEL(3%LEL) Sound Level: 70dB/M Working Temperature: -10 to 50 Working Humidity: 95%RH Application: For Smart Life/ for TUYA Purpose: To ensure home safety by detecting harmful, flammable and explosive gases and alarming. PackageList: 1 x Gas Detector 1 x Pin 1 x User Manual Note: Before installation, please make sure that the density of the detected gas is heavier or lighter than air. If the detected gas is heavier than air: LPG (methane), etc., install it at a height of 0.3?1m from the ground, and the half diameter to the gas source is less than 1.5m. If the detected gas is lighter than air: natural gas, artificial gas, biogas, etc., install it at a height of 0.3?1m from the ceiling, and the half diameter to the gas source is less than 1.5m.