Power supply: external 5V DC / 3 AAA batteries
Working current: ＜ 20mA
Standby current: ＜ 30uA
Shutdown current: ＜ 30uA
Wireless distance: ＞100 meters
Detection range: ＜ 8 meters
Alarm volume: 120dB
Detection angle: 110°
Operating humidity: ＜ 80%