Image Sensor：1/3″SHARP COLOR CCD Systems of signal：PAL/NTSC Horizontal Resolution：420TV LINE Minimum Illumination：COLOR 0.8LUX/IR 0 LUX S/N Ratio：＞48dB Lens：4mm,6mm,8mm,12.5mm Available Electronic Shutter：Auto Back light Compensation：Auto White balance：Auto Infrared Wavelength：850nm The quantity of Infrared lamp：12Units Distance：15m IR terms： Illumination＜10LUX，CDS auto open Operating Current：260mA Power supply：DC12V Weight:236g Dimension：4″Dome enclosure φ130?75mm