Specfication:

1. Working Voltage:DC3V CR123A lithium battery, 3 years

2. Static current:?10uA

3. Alarm current:?60mA

4. Networking:Zigbee ad hoc network

5. Sound Alarm:85dB/3m

6. Wireless networking distance:?70m (in the open area)

7. Anti-RF interference:80MHz - 1GHz 10V/m

8. Working environment:-10? ~ +50?

9. Working humidity:maximum 95%RH

10. Dimension: 60*60*49.2mm

11. Sensitivity: 0.089-0.25dB/m