| 01.Power Voltage: |
DC5V |
| 02.Back up battery: |
3.7V/350mAH Built-in lithium |
| 03.Size: |
φ78*41mm |
| 04.Communication mode: |
Zigbee 3.0 protocol, networking through the gateway, transmission distance of 150m (open environment) |
| 05.Standby time: |
4 hours (when WIFI is connected to the cloud platform) |
| 06.Sound pressure range: |
high (1m 105db), medium (distance 1m 85db), low (distance 1m 75db) |
| 07.Low battery warning: |
3.5v(Tolerance: ± 0.2V) |
| 08.Alarm duration: |
Tamper alarm for 3 minutes, control alarm 1-60 minutes adjustable |
| 10.Current consumption at alarm: |
≤300mA |
