1.Power Supply: DC 3V

2.Battery Life: 10 year

3.Operating Life: 10 year

4.Sensor Type: Photoelectric

5.Standby Current: <15 uA(avg.)

6.Alarm Current: <100 mA(avg.)

7.Coverage Area:20-40m2

8.Alarm Loudness:285dB@3m

9.Operating Temperature:0-55°C

10.Silence Duration: About 10minutes

11.Operating Relative Humidity: ≤85%

12.Safety Standard:EN 14604:2005+AC:2008

13.APP:Smart Life(Android and ios supported)

14.Wi-Fi Frequency: 2.4GHz (Incompatible with 5GHz Wi-Fi network)

15.Wireless Protocol: IEEE802.11b/g/n