Samsung SRD-1630D Security Camera DVR System CCTV Digital Video Recorder 16 Ch Features: Real-time Digital Video Recording H. 5, 10, 20, 30sec. Post-alarm – Up to 6hour. (5, 10, 20, 30sec, 1, 3, 5, 10, 20min, 1, 2, 3, 4, 5, 6hour) Search Mode – Date/Time, Event, Backup, Pos, Motion (All searching modes include preview ...