Gsm Alarm System Main Features: GSM 850/900/ 1800/1900 band alarm base Voice and message alert Monitor living surroundings Set alarm on/ off by remote control Call in set alarm on/ off/ monitor/ output Five phone numbers + room numbers Programable four text messages Seven zones for wire directors Twenty-three zones for wireless directors One relay output to power on camera when alarm Three outputs for lamp/ cooker/ air condition Technic Parameter: 1) Static current: 20mA 2) Power supply: 9-12V D.C. 3) Working temperature: -40 to +55 degree C 4) GSM900/ 1800 MHz band 5) Phase 2/2+ 6) Radio frequence: 315MHz/433MHz 7) Transmitting distance: 100 meters 8)Basic component: 1 Main panel 1 Wireless infrared detector 1 Wireless door/window gap detector 2 Remote controllers 1 Power supply