Tuya Smart ZigBee Gas Leakage Detector Sensor:A Tuya ZigBee Wireless Gateway Hub is a must to work with the gas leakage sensor,as well as a variety of ZigBee smart products, which is proved to be the bridge and control center App Push Notifications:Compatible with Smart Life and Tuya App enables the timely discovery of danger of gas leakage and real- time notifications to your smart phone.No need to be connected to the alarm host that is able to work independently with ZigBee hub connected successful Smart App Remote Control with manual test and manual muting:Remotely self-test for the gas security offers much convenience,as well as manual muting,is smartly supported via smart phone app with alarm situation,which is applicable for kitchens and the indoor area with potentiality of gas leakag Real-time Voice Alarm Prompt:Measurement range is 0%-100%LEL. Once the alarm density is not in the range of 8%LEL(natural gas),the detector will issue 70dB alarm sound and push notification to you App automatically Easy installation with USB charged for low power consumption;Wall-mounting and ceiling-mounting optional;Wide application for traditional fire protection system,but also a precaution of gas leakage Specifications: WirelessTechnology:ZigBee WorkingVoltage :AC220V AlarmLEL:8% LEL (natural gas) OperatingEnvironment ‒10°Cto+55°C/=95%RH AlarmMethod :Audibleandvisualalarm,andwirelessconnectionalarm TransmissionFrequency:2.4GHz StandbyCurrent:100mA AlarmSoundPressure:70dB(1minfrontofthegasdetector) DetectedGas:Natural gas Color: White Material: plastic Package Contents: 1*ZigBee Tuya Alarm Sensor