Working Voltage: DC3V (1x CR17335/CR123A lithium battery)
Alarm Indication: Red LED
Sound Level: ≥ 85 dB/3 m
Working Temperature: -10°C ~ +50°C
Working Humidity: ≤ 95%RH
Networking Way: Zigbee
Distance of Ad-Hoc Networking: ≤ 70 m (open area)
Dimension: 60 x 60 x 49.2 mm