The GSM Alarm System S3526 is a new security protection solution special for home, house and office and other applications. It based on Wireless GSM Communication network, intergrated Computer technology. When any sensor activated, it will Call&Send SMS to owners telephone immediately. Functions & Features of the GSM Alarm System: 1. GSM Frequency: Dual-Band(900/1800MHz), Quad-Band is optional(850/900/1800/1900Mhz) ; 2. Supports armed, disarmed by SMS or remote control or telephone; 3. Supports start or stop the siren by telephone or SMS command; 4. Supports Swith On or Off the output relay by telephone or SMS command; 5. Automaticed send SMS Alert and dial to the pre-set cellphone when any sensor triggered; 6. Equips with 2 Wired Zones,NC/NO, and Zone Name is editable; 7. Equips with 8 Wireless Zones, Zone Name is editable; 8. Supports 3 SMS alarm cellphones and 5 dial alarm telephone numbers; 9. Equips with 1 relay output, it likes a switch, use for driving DVR, light, gate or other electric appliances once the system activated; 10. Reserved 12VDC power source from the control unit for wired sensors; 11. Supports external power failure&recovery alert function; 12. Supports wiretap through internal Mircophone; 13. Supports wired and wireless siren; 14. Supports alert user by SMS when the remote control has been used to control the system; this function can enable or disable by user; 15. Standby internal rechargeable battery which can last 12 hours; 16. Based on the GSM communication network and Voice Operation Menu technology, apply to wide range situations. Mainframe X1 Remote contol X2 Wireless PIR Motion Sensor X1 Wireless Door magnetic Sensor X1 Wired Siren X1 GSM Antenna X1 AC/DC AdaptorX1 User Manual X1. Optional Accessories(Wired or Wireless): Combined Light and Siren PIR Motion Sensor Glass Break Sensor Magnetic Window Sensor Magnetic Steel Scrolling Door Sensor Infrared Photoelectric Beam Fence Wireless Strobe Siren Our Other Wired or Wireless Sensors