Main features:

* DC 9V power supply, standby current less than 25mA

* Six groups of telephone numbers can be  pre-stored

* 10 seconds pre-recorded memo message

* long distance (via public telephone network ) set guard status or withdraw guard to the alarm system

* long distance (via public telephone network) monitor the background sound around the alarm system

* Guard setting time delay option (0-90 seconds selectable by users)

* Alarm setting time delay option (0-90 seconds selectable by user)

* Horn hooning time length control option (1-20 minutes selectable by user)

* Telephone line cut off alarm function option

* Four wireless distinguishable guard areas LED indicator or the main set

* Each or four guard areas can be set on guard or withdraw guard independently

* One emergency key for help is provided on the main set

* Two emergency key for help is provided on the remote controller which will make the alarm system give out loud sound or not as well as dialing when beings trigged

* Convenient key input is prepared on the front panel

* 110dB horn speaker closed

* Many kinds of door magnetic switch and human body infra-red detector are configurable

* Rechargeable DC9V power transformer provided for power cut backup

* The alarm system can report the alarm message to an administration host computer immediately via the public

* Telephone network or RS-485 communication protocol.