This is a higher end model of popular 16-Zone wireless burglar alarm system, which can be incorporated with wired sensor network. This wireless burglar alarm system is ideal for users who already have a wired sensors network installed, and would like to upgrade their wired alarm system with calling function and wireless features. 3-bands Home/Business GSM Alarm System with Hot Wire Type Sensor Wireless Gas Detector, Smoke /Fire Detector, Wireless PIR Detector, Wireless Door Sensor, SMS Setting Function. Safety clip feature, not allow mounting of smoke alarm without battery installed. GSM 900/1800/1900 bands, this GSM Alarm System can be used in most parts of the world. This home alarm security system offers an efficient and convenient way to protect your home/office. This best home alarm system uses ATMEL microcomputer processor and has 1,000,000 inlet RF pin sets, thus it maintains very high reliability and safety. As automatic RF recording technology is adopted, users can easily add various RF accessories (up to 60 accessories, include the remote controllers) to the system by DIY. The digital intelligent wireless burglar alarm system is suitable for government, business offices, factory, residence, home, office, shops, garages, warehouses and other anti-theft areas. Don't be hesitating to get this reliable protector from here now!