Allows you to record all of the cameras as a full screen image at the same time in near DVD quality on to Hard Drive at 25 fps or 100 fps (Real Time) in quad mode, during live viewing and playback the cameras either as a full screen image or a quad image during playback. Also features motion detection (the unit analyses the camera pictures and only records when the cameras detect movement), and easy backing up on to Video or CD/DVD Recorder.