Tuya WiFi GSM Home Alarm System w/ Siren PIR Sensor Door Window Remote UK POST
TUYA Alarm Host PG-107 WIFI+GSM(2G) alarm system. 1,The alarm hosts for all PG-107 in this link are all WIFI+GSM ( 2G ) GPRS versons. PG-107 TUYA Alarm Host. This alarm is to install a sensor on the window or door.