Sistema de alarma para el hogar 4G WIFI alarma residencial hogar inteligente casa alarmas Tuya Smart
1,The alarm hosts for all PG-105 in this link are all WIFI+4G GPRS versons. The alarm is PG105 4G version, which is a key alarm, and it is used with WIFI and SIM cards. This alarm is to install a sensor on the window or door.