... AC power is off. 7. Telephone manages the alarm system, convenience.8. Phone trunks protected to avoid any ... 1Telephone line * 1User manual * 1 Optional Accessories:Verbration sensor, glass break sensor, wireless flashing siren, wireless horn siren, panic ... are Home PSTN/GSM Security Alarm System, 3G Alarm System, GSM Power Alarm, Video Monitoring system, Wireless Remote controller, RF Transmitter ...