Solar Line Flash Allarme Impermeabile Esterno,433Mhz per Casa Antifurto,Wifi,Gsm,H
PGST Tuya/Wireless Outdoor Solar Siren Powered Strobe Sound Flash Waterproof Alarm Siren for 433MHz Wifi GSM Alarm System. 1, The siren can work with 433MHz Wifi GSM Alarm System, e.g. PG107 PG106 PG105 PG103.