* Base on tuya zigbee hub.
* Work when wifi off.
Wireless Technology: ZigBee
Working Voltage : 3V(CR123A)
Transmission Frequency: 2.4GHz
Working Temperature: -10°Cto+55°C
Undervoltage Alarm : Supported
Detection Radius: 8m
Detection Angle: 90°
Installation Height: 2.2m
Dimensions : 48.4 mmx 53.4 mm