4CH H. 264 Compression CCTV DVR Recorder With total 100fps support 4D1@25fps Support a 2TB HDD, with VGA, RS485, mouse, USB FeaturesWith H.264 High efficiency Video CompressionSupport 4CH playback at same time. With total 100fps support 4 D1@25fpsWith a LED display, show the time, network, alarm, display, power and so on state.Support Symbian, S60V3/V5, Windows mobile, Iphone, android , ...