1. Beeps and send alert when a leak is detected
2. Power: AA LR6 1.5V * 2PCS (not included)
3. Working current: 37mA Pairing current:36mA
4. Standby current: 23.5uA
5. Alarm time: 10 minutes
6. Working temp: 0 - 40 degrees Celsius
7. Working humidity: 20% - 85%
8. Wireless Type: 2.4GHz
9. Protocol: IEEE 802.11b/g/n
10. Wifi distance: 45m
11. Free APP: Tuyasmart or Smart Life
12. Product size(D*W*H): 82mm x 42mm x 16mm