Image Sensor - 1/3 INCH SONY SUPER HAD IT CCD Signal System - NTSC, PAL Total Pixels - 811(H)f+508(V) 795(H)f+596(V) Effective Pixels - 768(H)f+495(V) 752(H)f+583(V) Scanning System - NTSC standard 525lines PAL standard 625lines Sync Mode - Internal Resolution - 520TV Line Video Output - VBS1.0VP-P Composite / 75-+ S/N Ratio more than 50dB(AGC off) Min. Illumination - Under 0.000Lux for infrared Lighting condition Gamma - r=0.45 White Balance - Automatic White Balance Backlight Compensation Auto Lens - 4~9mm Varifocal Lens Shutter Speed - 1/60 ~ 1/100,000sec. 1/50 ~ 1/100,000sec. Operation Temperature - 14=?122=?-10f+~50f+) Humidity - Within 90% RH Power - DC12Vf+10% Dimension(Wf+Hf+D) - +?20(W)mm f+ 175(H)mm