... alarm zone, 1 external power failure alarm zone, the other 6 wireless guarding zones can be defined by user), 2 hardwire ... alarming and drive wiretap.* Arm/disarm by wireless keyboard, remote controller, SMS or remote telephone/mobile phone.* Set the host by ... The GSM frequency of model no.G10EA: 850/1900MHZ* LED Eight controller works LED* External power failure alarm Start-time: less than 1s ...