• 4 video signal input through the control of automatic conversion or freeze-frame in which a video signal output to the monitor.
• Using a large number of digital integrated circuits, and the other components of movement, high-speed TTL and CMOS circuit design, so that cut down the circuit transmission delay time, and coupled with a visual amplifier circuit, the image is more clear.
• When envionmental illumination less than 5LUX the infrared light automatically lit.
• The kit applies to homes ,businesses, communities , hotels, shopping malls, offices and other areas.
