Model AV-448AHD DSP NEXTCHIP NVP2431H  Imaging Device 1/4'' CMOS APTINA AR0141 Total Pixels 1280H x 800V Scanning System Progressive Scan Synchronization Internal Video Output P/N AHD  : 1.0MP 800P CVBS:1200 Tvl Lens 3.6 mm / 6 mm Optional IR Led 4 Array Led S/N Signal  ＞46db Min. IIIumination..