1.Colored back-light English display on the panel, can operate throuth the information on the screen 2.It can show the defence zone, defence style, detector style, telephone number, password and date. 3.Remote control to turn on/off the four path electronic appliance by phone. 4.Store 40 passed set information , including time, defence zone, and detector location, etc. 5.The telephone network and topology mode(different mainboard) can realize the system by connecting to our monitoring center. 6.Inner UPS adaptor can work for 24 hours when without electricity 7.Can set alarrm condition at home or outside, suitable for different need. 8.Can set alarm with voice or not, long distance to alarm and disalarm by telephone and cell phone 9.Can combine with the receiving alarm center. The center shows the alarm owner's information on the computer screen when alarming, and know exact position.