AG-Security LCD Display Home Wireless Pstn Alarm System Dp-908 100 wireless and 8 wire defense zones 10 seconds voice recording would help to scare the intruder;and keypad password Guarantee no stranger tamper. Easy to self-install,motion detectors and door contacts are all learned to alarm host. And with intelligent study coding,compatible with PT2262 normal encoding and a 1527 encoding, convenient and flexible for adding sensors to build a powerful security setup.Maximum support 6 remote control and 99 wireless sensors and 8 wired sensors; Telephone(phone)long-distance telephone control for arming,disarming,monitoring,remote announcement;