Sony CCD Infrared Cameras                                                                                                                 1/4 " IR Camera                                       1/3 " IR Camera Image Sensor 1/4" Color SONY CCD 1/3" Color SONY CCD Effective Pixels NTSC/PAL NTSC/PAL Scanning System 2:1 Interlace 2:1 Interlace Signal System NTSC/PAL NTSC/PAL Infrared Led's 24 LED's 30 LED's Distance 25 Meter 30 Meter Minimum Luminance 0 Lux (IR ON) 0 Lux (IR ON) Horizontal Resolution 420 TV Lines 480 TV Lines Synchronization System Internal Synchronization  Internal Synchronization  S/N Ratio  More than 52 dB  More than 52 dB  Gamma  0.45  0.45  Auto Gain Control  AUTO AGC AUTO AGC Power DC 12V (+/-10%) 750mA DC 12V (+/-10%) 750mA View Angle 300   600   Back Light Compensation  Auto Auto Lens Mount  Built in Built in Auto Iris  Video/DC  Video/DC  Video Out BNC BNC Lens 6-8mm 6-8mm Operation temperature  -200 C to +500 C  -200 C to +500 C New lens hose brightness Unique LED strengthened focusing light for 24-hr monitoring Effective life of LED lights is up to 20,000hrs Base plate adopts high quality special materials and reaches IP65 waterproof class Cad’s automatic control and the intelligent start of infrared light