4-CH MJPEG Digital Video Recorder DVR-MJ14 is a 4-channel compact DVR with motion detection record function & USB2.0 for video backup to computer. Advanced M-JPEG hardware compression provides hi-resolution playback picture quality. The DVR is ideal for usage in home to watch over premises & valuables and in business to monitor customers & staff. Mini design for homes, small retail stores, offices High resolution picture quality Motion detection recording Motion detection with sensitivity & area settings With auto record function One SATA HDD interface, supports up to 500GB HDD Built-in USB2.0 port for video backup to computer With auto-switch display function Password protection With IR remote control Self-recovery after power reconnected.