Swann 4 Channel Network Digital Video Recorder Monitor & record up to 4 cameras simultaneously with this affordable, networkable DVR Option of MPEG4 or MJPEG allows for the enhanced frame rate of MJPEG or the higher compression and faster streaming of MPEG4 Variable compression recording allows for high quality video playback or increased disk storage capacity Motion detection records activity to pre-installed 160GB hard drive Easy remote viewing 24/7 over the web or local network