... audio,480 tvl 1/4 SONY CCD,Zoom:×10,3.9-29mm, 23pcs 5mm leds, IR distance:20M, 64 presets Pan ... 6.0 or higher version,firefox,chrome,safriSuper Client1,4,9,16,25,36, 64,81-channel , no user limited , centralized ... SONY CCD 480tvlSNR>48dBMinimum Illumination0.05LUX3AAuto White Balance,Auto Exposure,Automatic GainZoomObtical zoom × 10 . f=3.9-39.0mmVideoCompression FormatH.264 main profile ...