MJPEG Stand-Alone Dvr LL-8004 Specification:

Video Input/Output:   BNC 4-channel input/2-channel output
RS-485,1 USB 2.0 ports,Option(VGA output,Netwark,Audio)
Compression Method:   Motion JPEG
Fixed HDD raLL supports up to 200GB IDE HDD
Dimensions:(L×W×H) 340mmx280mmx230mm,weight: 5kg