16 CH Quadplex Real Time D1 DVR with Display/Recording of 480 fps/480 fps @NTSC and 400 fps/400 fps @PAL. H.264 video compression,16 CH video input & 16 CH video output & 16 CH video loops,16 CH audio input & 1 CH output, HDMI digital output, USB 2.0, VGA, and 10/100 base network LAN.