Manual Zoom Camera 22x Zoom, day & light AGC, 1/4" CCD Color II 480TVL OSD meun 2D digtal DNR 3days for the samples Specification mode:VD-CZ22S8 1/4”High Sensitivity CCD II Color to B/W 480Tvl, 0.1Lux 22X/27X zoom(f=3.9-89.5mm),10X digital zoom,auto focus,backlight compensate,Intelligent analysis of the dynamic object detection alarm,2D digital DNR,privacy shade,with AGC,strong-light control, ...