Power supply: 3.7V/1000mAh lithium battery
Maximum output: 5V/150mA
Standby current: <1mA
Alarm current: <150mA
Alarm volume: >100dB
Wireless acceptance distance: > 100 meters (open space)
Working temperature: -20℃～+55℃
Relative humidity: <95% (non-condensing)
Wireless parameters: 433MHz, eV1527
Waterproof grade: IP65
Product size: 164×124×59mm