Description: 1. Tuya Smart ZigBee Gas Detector: Tuya ZigBee Wireless Gateway Hub is a musthave for use with smoke detector sensors and various ZigBee smart products. 2. Realtime detection of natural gas leakage status, when the gas leakage reaches the alarm threshold on the day, an alarm will be issued on the spot, and the alarm information will be transmitted to the user's mobile phone at the same time. 3.App push notification and control: Compatible with Smart Life and Tuya App, it can detect the danger of fire or smoke in time and notify your smartphone in real time. 4. Easy installation and wide application: widely used in traditional fire protection systems, and also a preventive measure against air leakage, proven to be your whole house safety sensor with realtime sound and light alarm. Specifications: Name: Zigbee Combustible Gas Alarm Working voltage: AC 85V250V Average power consumption: 1.5W Alarm sound pressure: 70dB/m Alarm concentration: 7%LEL3%LEL (CH4) Zigbee standard: IEEE802.15.4 Operating frequency: 2.405~2.480GHz Working environment: 10~ 50 Working humidity: 95%RH Size: 48mm*30mm() Package Included: 1*Zigbee Gas Detector 1*User Manual Notes: Notes: This product needs to be used with ZigBee3.0 gateway.