Smart ZigBee Gas Leakage Detector Combustible Sensor Tuya Security Alarm System Features: 1.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 for smart homes and plays an irreplaceable role for all ZigBee products and realizes the whole intelligent linkage of your house.Simply add the sensor into the ZigBee hub after adding the hub into Smart Life/Tuya App. 2.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 successfully. 3.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 leakage. 4.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. 5.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,which is proved to be a security sensor for your whole house with live sound and light alarms. 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 Dimensions: F85mmx29.6mm Package Included: Independent combustible gas detector x 1 User manual x1 Power connection x1 Adapter DC5V x1 Mounting plate x1 3M sticker x1. Expansion tubes x2 Screws x2 Notes: TUYA ZigBee gateway is required. Intelligent linkage to tuya smart devices for normal use only,can not be used alone without tuya smart device