1.Power supply mode: DC5V/2A

2.Alarm sound: ≤100dB

3.Battery parameters: 3.7V 1000mA polymer lithium battery

4.Operating current:<10mA

5.Alarm current: <200mA

7.Receiving frequency: 433.92MHz(1527 protocol)

8.Receiving distance: 2100m

9.Operating temperature:-20°C-55°C

10.Operating humidity: 40%-80% (non-condensing)Product 11.dimensions:164.3x124.3x59mm