Product DescriptionColor IR Dome CCD Camera Model UM-819ARHQ UM-819ARHX UM-819AR UM-809AR CCD Type SONY1/3"CCD SONY1/4"CCD Pixels PAL: 752H x 582V NTSC: 768H x 494V PAL: 512H x 582V NTSC: 512H x 492V Scanning System PAL/NTSC Horizontal Resolution:520TVL 500TVL 420TVL Minimum Illumination:0LUX IR ON S/N Ratio ≥48dB