1. This GSM alarm system use Wavecom GSM module support the GSM band 850/1900 MHZ and 900/1800MHZ.       
2.6 wireless defence zones( 1 wireless SOS zone, 1 wireless fire alarm zone, and the other 4 wireless zones can be definded name by user).     
3.You also can connect wireless emergency button, wireless PIR sensor, wireless door/window contact, wireless smoke detector, wireless gas leakage detector, wireless glass break sensor etc. Each wireless zone can match numberless wireless sensors.  
4.This system Can Auto-dial 6 preset phone No. and send SMS alert while the system alarming.  
5.You can call the main unit at any time and listen what happened in the alarm area.  
6.Arm/disarm by wireless keyboard or phone and can be set by keyboard or phone.   
7.With voice tone guide and easy to operate.     
8.With voice reminder & password protection while the system is working.   
9.Can report alarm zone by voice      
10.Can connect with intercom. You can talk to the mainframe with intercom.(Optional) 
11. Back up battery can supply the power more than 15hours when the AC power failure or cut by intruder.     
12.Wireless signal transmission, and don't fear for cutting line by the intruders 
13. Wireless Emergency function:you can press the button to alarm immediately in order to get help if in emergencies.     
14. Can send alarm signals to monitoring center through GSM network, such as the police station

Specification

1.Output power: DC12V
2.Input power: AC110V to 240V,50Hz or 60 Hz
3.Working hours of standby Battery(DC8.4V):More than 15 hours
4.Wireless frequency for above
5.Accessries wireless frequence:315MHZ/433MHZ

One alarm host (main unit)
One Wireless door/window magnetic contact
One PIR sensor
Two remote controllers
One siren(More than 110DB)                     
One AC adapter                                       
One English user manual