Main Features of 2014 New Wireless 16-zone Intelligent Alarm System : Built-in GSM module for alarming, no wire needed 16 wireless zone, 3 detectors for each zone, four attribute for option: burglar,delay, Vocal Duress, Mute Duress Max enroll 8 remote controllers, support home arm, away arm Operated by IOS or Android based smart phone Alarm phone type can be set in SMS,Dialing,or SMS & dialing. With 20s recording Support two way communication www.karassnsecurity.com