* Adapt wavecom double frequency GSM module.
* 9 wireless guarding zones( 1 SOS alarm zone, 1 fire alarm zone, 1 external power failure alarm zone, the other 6 wireless guarding zones can be defined by user), 2 hardwire guarding zones.
* Send SMS to 3 mobile phones automatically while alarming.
* Call 3 phones automatically while alarming and drive wiretap.
* Arm/disarm by wireless keyboard, remote controller, SMS or remote telephone/mobile phone.
* Set the host by wireless keyboard, SMS or remote phone.
* Report guarding zones remotely by SMS or voice.
* Modify the name of wireless guarding zones and inquire the status of host by SMS demand.
* With voice reminder while the host is working.
* Support dialog.
* With standby rechargeable battery.
*The alarm host automatically stores system status, while its power is off.
* Connect with the alarm center through GSM network.