Myfox BU0201 Home Alarm (Wi-Fi, Wireless Smart Home Security System, iOS & Android) Type: Accessories Specifications: Memory: Myfox Link controls up to 1 siren, 4 cameras, 50 IntelliTAGs, and 50 key fobs Battery: Internal battery with 6 hrs of life Power Supply: 100-240Vac, 50 / 60Hz, 0.15A Body: Polycarbonate V0, off-white Protocole: sMyfox Radio, Bluetooth, WiFi Miscellaneous Constant monitoring of RF link to Siren and IntelliTAG Tamper protection FCC certified Wireless connexion Siren : range of up to 328 ft outdoors IntelliTAG : range of up to 328 ft outdoors Key Fob : range of up to 164 ft outdoors Protocol: WiFi