1) Without installation of wires and cables, wireless transmitter and wireless receiver, DIY project 2) Eight defense zones model, 4 wire and 4 wireless defense zones, eight LED matches eight defense zones, LED will flash when alarm triggered 3) With a keyboard on the main panel for input information and finish function settings 4) Record message for ten seconds 5) Program six groups of telephone numbers 7) Auto-call pre-programmed telephone numbers consecutively and with a recorded message when alarm is triggered 8) Two alarm models for user's option, mute alarm and audible alarm 9) Arm/disarm the main panel by password is at user's option 10) With independent key-chain remote controls, through them users can arm/disarm the alarm system 11) Separately arm/disarm for certain zones 12) Ask for urgent help by using the remote control when in trouble condition 13) Urgent help function is available for 24 hours a day whether the main panel is in armed/disarmed condition 14) Self-alarm when telephone cable is disconnected or destroyed 15) Long distance operation to the main panel by password. Including remote access, remote monitor, remote activate and deactivate 16) Add or reduce additional spare parts to the main panel is according to user's option 17) With back-up rechargeable battery, it can continue to supply power for 36 hours when power is failure 18) Can link up to the networks of alarm center through an ID code 19) Can finish functions settings through the keyboard on the main panel Anti-dismantle function, the host will self-alarm when its cover destroyed or opened illegally.