Sistema di allarme Smart WIFI GSM sicurezza domestica 433Mhz antifurto porta finestra sensore
Built-in Siren and With 110db wired siren. KERUI W181/W202 WIFI GSM Smart Security Alarm System. WIFI +GSM Alarm System. 4 ,Motion Detector and Door sensor battery included. 2,The host can only use 2.4GWIFI, and the GSM frequency is 2G.