wireless gsm alarm no fees to control your house r

gsm alarm Main Function: 1. GSM SMS Alarm: SMS and phone call; back up power supply; 2. Memory system avoid reset up when main power is off. The system is equipped with external power and shall report by message if no power or underpowered, at the same time work normal under the back-up power supply, and send message again if power recharged. Back-up power supply can use 18 hours. 3. 8 wireless zone and 2 wired zone could connect any detector such as PIR detector, door sensor, smoke detector, gas leakage detector and emergency button. also can equipped with any DVR, linkage output. 4. Arm and disarm by phone 5. Remote Monitor and record 6. Networking with alarm center through GSM communication net 7. External high DB howl can daunt illegal invasion 8. Disarm by password 9. 5 alarm phone numbers could be setup to receive alarm. At the same time, control center and police station could be connected. 10. 5 groups of SMS could be setup 11. SMS indicate exact defensed zone which is invaded when alarm 12. Revised character of defense; 13. Control two group household electrical appliances; 14. Emergency button. http://www.aliexpress.com/fm-store/503363 This system using speech function and SMS platform of GSM wireless cellular telephony, to completed the remote alarm data transmission and control, when the wireless detector and cable detector detect the invasion of signal, will send the information and alarm to the host, host treatment immediately, and trigger the on-site alarm, and than send the information about defense area and type to preset mobile and telephone number, and automatic dialing another five groups number, and more, users can arm/disarm and view the on-site and listening the on-site through remote control. This system using speech function and SMS platform of GSM wireless cellular telephony, to completed the remote alarm data transmission and control, when the wireless detector and cable detector detect the invasion of signal, will send the information and alarm to the host, host treatment immediately, and trigger the on-site alarm, and than send the information about defense area and type to preset mobile and telephone number, and automatic dialing another five groups number, and more, users can arm/disarm and view the on-site and listening the on-site through remote control. GSM SMS alarm system adopts the GSM mobile communication network and the related digital process technologies; it can be used for power station, base station, boat, finance, home, warehouse, garage, office and other important positions; it's not limited by the time and space. The remote alarm center and user may request the alarm host to send back on-site status via short message or calling commands. It's easy and convenient to use for its well-arranged circuit structure and friendly man-machine interface and remote control. gsm alarm