Product Specifications:
| 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 |
| 10.APP control |
