n  100 wireless and 8 wire defense zones.

n  At most 8 wireless remote control codes.

n  Blue backlighting graphic display for clear information.

n  6 groups of voice alarm phones (mobile phone), and 2 groups of phones in alarm receipt center.

n  Built-in perpetual calendar and clock; automatic logging of alarm cases by time sequence.

n  Message recording playback: human recording, synchronous playback for recording effect in audition.

n  More defense modes: remote defense, keypad defense, and non-local remote defense by telephone; stay-in defense, timing defense, and individual defense in zones.

n  Programming of defense zone type: all zones could be programmed via keypad for immediate, delayed, 24-hour and bypass alarm mode