GSM Alarm System with SMS massage 1. 2 wired and 99 wireless defense zones; LCD screen with time clock display; 2. Voice prompt for all operations; 3 groups of timely arm and disarm; 3. Can store 6 phone numbers: when alarming, system will make alarm call to these numbers automatically; 4. Can store 3 SMS numbers: when alarming, system will send alarming SMS automatically; 5. 10-second automatic message recording; 6. Built-in artificial intelligent digital voice announcer; 7. Users can make calls by using keypad on alarm panel, just like a telephone; 8. One-key-control function: Out Arm, Home Arm, Remote Arm; Can be armed/ disarmed by SMS or call remotely; 9. Real-time, delay, 24 hours, bypass defense zones programming function; 10. Remote control Arm, Disarm, Monitor, and Intercom by phone; 11. SMS alert for power failure or recovery; 12. Built-in AAA NI-HI rechargeable battery: make alarm when power off. Technical Parameters Input Voltage DC12V/1A Standby Current