16 CH DVR, dvr real time surveillance dvr RS 485 Control,RJ45 3G cellphone ... 16 CH DVR, dvr16CH video and 16CH Audio real time Recording and display4CH D1+12CH CIF resolution/16CH CIF ... 45 port support DDNSSupport USB/mouse operationUSB file backup, With VGAvideo input/output: 16ch/2CH Alarm: 16ch in/1ch ... 400 frames/sec. NTSC: 480 frames/sec 16CH DVR, free DDNS,real time cctv 16 CH DVR, Support HDMI