It is H .264 OS Embedded Linux Standalone Network DVR. It has 16 Channel Audio Input/ 1 Channel audio Output, 16 Channel Video Input/2 Channel BNC,1Channel VGA Output, 400/480 FPS of real time recording in Full D1 on all channels.
Supports SD card,Mobile Viewing16 Channel Alarm Input / Output, RS 485, Pentaplex Function, and 4 SATA Hdd upto 2 TB each.