Compress Format: H.264, Resolution: Full D1,Total Frames: 480FPS（NTSC）/400FPS（PAL）,Audio: 16ch input, Alarm: 16ch input, 4ch output,Video:16ch BNC input, 16ch BNC loop output,can be output to the TV wall directly, 2ch BNC compound output; 1ch VGA output; support PAL/ NTSC identify automatically; Support Simple Chinese/ Traditional Chinese/ English/ Russian; Manual/ timing/ alarm linkage/ motion detection recording mode;  128Times replaying speed, 16 channels replaying simultaneously; Preview、record、playback and internet access working at the same time; Auto protect and auto resume; support MNS, DDNS, come with two levels domain name, realize static access and management by dynamic IP through the domain name; Adopt enhanced UDP protocol, no need dynamic IP setting and port mapping to access DVR from internet; 4 SATA interfaces, support 4 hard disks above 2000GB; With RS485 / RS422, RJ45 & USB interface, support PTZ control, IE & Client view, USB/DVD-RW backup, with remote control, support Mouse, come with CMS centralized management software.