Specification GE-2100CDW Image Device 1/4"SHARP CCD Number of Pixels PAL: (H)500x(V)582 Scanning System PAL: 625 Lines, 50 Field/Sec Sync System Internal Synchronization Horizontal Resolution 420 TV Line Video output 1Vp-p 75 ? , Negative White Balance Auto B.L.C Auto S/N Ratio More Than 48dB Gamma Characteristic 0.45 Minimum Illumination 0 Lux?LED ON? Electronic Shutter PAL : 1/50~1/100,000 Sec Lens f:4.0mm(Option) Power Consumption 12V±10%DC? 100mA Operation Temperature -10°C ~ + 50°C, RH 95% Max Storage Temperature -20°C ~ + 60°C, RH 95% Max Color Silver & black Deep in water 30 M Dimension ?64X63.5mm Cable 10M,20M,30M(Option) ?Lighting 12 Units IR/WHITE LEDS(visibility range 10m)