Key Specifications/Special Features:Compatible with 16 defense wired or wireless zones Wireless learning remote control and other detectors Password protection Program the duration length of the siren Time delay to arm or disarm Built-in dialer and siren Telephone line anti-cut function Record your own personal message for ten seconds Six telephone numbers can be pre-stored in the unit and dialed to summon help in priority order Remote command and access to the system from anywhere via a telephone or mobile Emergency or panic button is available for 24 hours whenever arm or disarm Link to the networks of alarm center through an ID code