Image Sensor:1/3Sony CCD LED No.:24PCS Ranging Distance:25M Infrared Wavelength:850NM Effective Pixels:PAL:500(H)X582(V);NTSC:510(H)X492(V) 1/3 Sony CCD/420TV Minimum Illumination:0Lux S/N LensN Ratio:More than 48db Lens:4MM-16MM Scanning System:PAL/NTSC Power:12V Dimensions:50mm*36mm Net Weight;232G