* Adopt wavecome double frequency GSM module.

* With color LCD show screen and keyboard on the host

* 11 wireless guarding zones (1 wireless SOS zone, 1 fire alarmzone, 1 external power failure alarm zone, and other 8 wirelessguarding zones can be defined by user )

* Send SMS to 3 mobile phones automatically while alarming

* Call 3 phones automatically while alarming and drive?wiretap

* Set the time of arm/disarm/partial arm

* Arm/disarm/partial arm by the keyboard on the host, remotecontroller or SMS.

* Set the host by keyboard on the host or SMS

* Modify the name of 8 wireless guarding zones and inquire thestatus of host by SMS demand

* Define the 8 wireless guarding zones as partial arm/arm bykeyboard on the host

* With standby rechargeable battery

* The host automatically stores system status, while its power isoff

* Connect with the ala
rm center through GSM network