Cho phép k?t h?p v?i b? h?n gi? ho?c b? ?i?u khi?n t? xa qua Wifi ?? v?n hành h? th?ng qua m?ng Wifi, 3G.Automated Transfer Switch: This is the key Handle machine that detects electrical power failures and mechanically switches the load concerning the main electric power source as well as the backup ability supply.The wiring diagram from the A