KERUI Tuya Smart WIFI Home Security Alarm System WIFI DoorBell WM5221

Описание: The video shows how does the smart wifi alarm system work.
The Wi-Fi/RF host host can add 8 door push button, 4 controllers, 4 IR detectors, 4 door sensors and 4 other accessories.

There are 2 models:
1. doorbell model
2. Alarm model