Image Sensor 1/4" SHARP CCD Pixels PAL:500(H)?82(V) NTSC:510(H)?92(V) System Signal PAL/NTSC optional Horizontal Resolution 420TVL Minimum Illumination 0Lux(infrared lamps on) 1.0Lux(day)/F1.2 S/N Ratio more than 48db Gamma Characteristic 0.45 Electronic Shutter 1/50(1/60)～1/100,000sec Video Output 1.0Vp-p 75ohm Power Consumption DC12V,1.4W Lens 6mm/F1.5 Housing Aluminum Alloy Cosmetic Black or Silver Infrared Wavelength 850mm Infrared Lamps Irradiation Distance 15m Infrared Lamps Night/Day turn on/off