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, low voltage indicator: red color

7.Operation band :2.4GHz

8.Wireless standard: lEEE802.11b/g/

9.InsInstallation hole distance:60mm

10Housing material: ABS white

10.Working temperature:-10°C~+50°C

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

13.Product size: 90x40mm(Weight120g)

14.Operation standard:EN14604-2005