... digital video recorder network DVR 2. Support a 2TB HDD, with VGA 3. RS485, mouse, USB, 4CH Digital Video Recorder ... Real-time Recording H.264 Network DVR FeaturesWith H.264 High ... IE review and CMS(can manager over 500 units DVR)With Chinese, Russian, English, Italian, Portuguese, Spanish ... )Weight3.5kg 4CH Digital Video Recorder Real-time Recording H.264 Network ...