1.Power supply: 2xAA 1.5v battery

2.Standby current: <20uA

3.Alarm current: < 100mA

4.Low Voltage: 2.5V+0.1V

5.Alarm volume : >85dB@3m

6.Smoke alarm indicator: Normal,

7.Alarm, loww voltage indicator: red color

8.Operation band : 2.4GHz

9.Wireless standard: lEEE802.11b/'g'n

10.Installation hole distance: 60mm

12.Housing material: ABS white

13.Working temperature: -10C~+50°C

14.Working humidity: ≤95% (40c、 no frozen)

15.Product size:90x40mm(Weight120g)

16.Operation standard:EN14604-2005