Patented dual lens, dual CCD, single DSP for perfected color day vision and infrared mono night vision (not one color camera + one B/W camera), Accrete color without IR bleed and excellent picture is provided by DSP, YC separated circuit designed, color signal is killed at night. Color or B/W signal transferred delay 60 sec. to avoided-instant head spot light of card. Automatic BLC function suit for surveillance of car＊s number plate.
PWM circuit to drive high power LED, 85% high efficiency LED never feed-back by-method to control CDS.