Main feature: 1.GSM 850/900/1800/1900MHZ for Global use. 2.With 2 wired and 88 wireless zones for connecting wired/wireless sensors 3.wireless transmission control 8 road electric switch 4.Full touch keys, TFT display, beautiful shape, external connect entrance guard 5.With APP and Andriod system to remote control the alarm . 6.SMS and Call 5 phones automatically while alarming and drive wiretap, Can clearly hear the voice. 7.Auto-dial 1 preset phone numbers of Alarm Center 8.record function: Maximum recording time:20S 9.voice function:support play the user record voice 10.Talkback Function: can speak with field person 11.SMS alert & auto-dial alert when AC Power outage, AC power recovered 12.Support 7 kinds arm/disarm mode: remote/Mainframe keyboard/sms/remote call/ timing arm and disarm / alarm center software/APP mobile phone 13.Alarm panel with LCD display & keypad, easy to operate. 14.with standby rechargeable battery. The host automatically stores system status, while its power is off. 15.With wired MIC interface, switching the sound off and siren 16.Delay alarm function(0-90 optional) 17.Arming timing function(0-90 optional) 18.Timing arm/disarm function. 19.Built-in high standard Internal Antenna with strong signal 20. Chinese/English switch supported 21.with ROHS/CE/FCC certifications,conform to 3C Safety Standard and GB12663-2001 government stand Technical parameters 1.GSM frequency: 850/900/1800/1900MHZ 2.Working frequency between detector and alarm host(315M/433M optional) Wireless distance :100-200m(without obstacles) 3. Alarm response time8S(GSM in normality) 4.99 Wireless guarding zones; 5.Working conditions Operating temperature: -45~+60°C Humidity: 95% 6.Standby current:5mA 7.Alarm current: