... security alarms 2) Voice remind,easy to operate by family 3) 10 defence zone Wireless Security Alarm ... GSM frequency is suitable to use2) 6 wireless defence zones,4 wired defence zones3) Can ... Learning code,easy to learn and add the wireless sensors as your want11) Can use mobile( ... wireless PIR detector,1 mini siren,1 Wireless door detector,2 Remote controllers,1 Built-in backup battery,1 AC/DC Adapter ...