1. 9 defense zones; the control panel itself has keypad; 2. Program 14 alarming phone numbers, can give alarm to the police (if link up to the networks of alarm center) and the user automatically; 3. Can phone to alarm automatically even the line is busy; 4. Long distance operation to the main panel by password, like remote access, monitoring and so on; 5. Can set all the function as one-touch key so no need to operate complexly; 6. All the info stored won抰 lose when power off; 7. Can link up to the networks of alarm center and tell the type of alarm; 8. Can be used with many kinds of detectors, remote controls, urgent buttons and so on; 9. Record message for 10 seconds; 10. Wired/wireless siren selected; Mute alarm and audible alarm is at user's option; 11. Can alarm automatically when the phone line is disconnected or destroyed; 12. Built in 9V rechargeable battery; auto chargeable or dischargeable (24 hours available when power is in failure).