1.Power supply: 2 AA 1.5v batteries

2.Standby current: <20uA.

3.Alarm current: <100mA

4.Low voltage threshold: 2.5v ±0.1V

5.Alarm volume:285d8@3m

6.Smoke detection indicator lights: Normal,

7.Alarm, Low voltage, etc.

8.Indicator light: Red indicator light,

9.Operating frequency band: 2.4GHz

10.Wireless standard: lEEE 802.1 1b/'g/n

11.Mounting hole spacing: 55 mm,

12.Housing material: White ABS

13.Operating temperature: -10°C to +50°C

14.Operating humidity≤95%

Compliance standard: GB 20517-2006