Best Home Burglar Alarm Smart Security System Wireless GSM-WiFi-Remote-Mobile
Siren output: <500mA. 1 x Wired small siren. GSM Frequency: 850/900/1800/1900MHZ. 2 x Wireless PIR Detector. Smart host with new experience Wireless Frequency: 433MHZ EV1527. 1 key arm/disrm, without the trouble of manually.