The DVR-MP44W is a 4 channel security DVR that supports up 120 frames per second recording and uses MPEG-4 video encoding/compression. This security DVR supports direct web browser access over the Internet using Internet Explorer. This is a triplex security DVR for professional systems which means that it supports simultaneous recording, playback, and network access at the same time. This DVR has a very easy to use graphical interface. Features: 4 channel BNC video input, 120 frames per second recording, Includes 250 GB hard drive, Remote Internet Access via Internet Explorer Browser, Manual, Scheduled, Motion, and Alarm triggered record, Triplex: Record, Playback, and Network Access, Ethernet connection for network and internet connection, Dynamic IP & DDNS support for internet monitoring over DSL or Cable, VGA Monitor output for easy connection to standard PC monitors, MPEG4 Video Compression, PTZ Camera support.