1) 8 LED defense zones display 2) Build-in dialer with build-in siren 3) Telephone line anti-cut function 4) 10 seconds voice record 5) 6 Groups of telephone numbers can be pre-stored in the unit and dialed to summon help in priority order 6) Remotely control the system from anywhere via a telephone/mobile 7) Emergency/panic button is available for 24 hours whenever arm/disarm 8) Able to link up to the networks of alarm center through an ID code 9) Back-up rechargeable battery available for 36 hours when power is in failure