Production characteristic: SONY/SHARP CCD, 420/480TVL, 3.7-12mm Auto Iris IR-CUT Lens Sens-up Mini Illumination: 0.00045LUX  Technical Parameter：   Model               SAMSUNG   Image Sensor 1/3"SONY CCD Signal System  PAL/NTSC Horizontal System 540TVL Effective Pixels  （H ×V） PAL:500×582；NTSC:510×492 Shuttle Speed PAL=1/50 ~1/100,000 sec；NTSC=1/60 ~1/100,000 sec Mini Illumination 0.00045Lux S/N Ratio > 48dB（Auto Gain Off） Gamma 0.45 Blacklight Compensation Auto Video Output 1.0VP-P,75Ω White Blance Auto Power  DC12V Current 160mA Operating Temperature  -10 ~ 50℃（relative humidity:the most 95%）