1. Must input correct password to arm or disarm this system.

2. When this system is armed, if someone try to invade, this system will initiate  siren first then dialing out to user. Users can setup two groups of phone  number. If one line is busy the    system will automatically dialing the other one (Two cycles for each group of telephone      numbers). After user picks up the call, the system will send out one of the prerecorded       voices according to event.

3.  No matter if the system is armed/disarmed, push emergency key will always initiate the       system alarm procedure.

4.  After the system is armed, the only way to disarm is inputting correct password. There is no other way including physical damage to disarm the system.  

5.  This system does have anti-tampering function. Physical damage to the system will initiate   alarm procedure.

6.  User can change the system set up by themselves. Such as zone bypass, turn on/off the     siren, password, entry/exit delay time, phone numbers, etc. Important default can add       extra secret code protection.

7.  This system has a LCD screen guide, easy to operate.

8.  Zones can be selectively armed.

9.  Auto battery charging, with a dedicated chip which manage charging and discharging of the   batteries. When power is off, battery will keep system.

10. There is battery voltage warning function.

11. If zone 7 or 8 is been set up as smoke sensor/ gas sensor zones, the system will have fire   alarm and gas leaking alarm function 24 hours no matter if the system is armed or             disarmed.

12. If user forget the password, can reset and recover preset, out of factory password 1234.