Yescom GSM Home Keypad Security Burglar Alarm System Kit 99 Wireless and 8 Wired Zones White 17 Pcs 8 wired and 99 wireless defense zones Built-in artificial intelligent English Message 3 groups of timely arm and disarm Can store 6 phone numbers: when alarming, system will make alarm call to these numbers automatically Can store 2 SMS numbers: when alarming, system will send alarming SMS automatically