Hot Tuya Alarm System Wifi/2.4 GSM/4G Motion Sensor Smart Home Wireless Security
This alarm hosts for all PG -103 in this link are all WIFI （2.4Ghz） & GSM（4G） GPRS versions. GS-103 tuya. Siren output. Alarm Type. 1 x Wired Siren. Password Keyboard. Door/Window Sensor. Output Number.