MJPEG Stand-Alone Dvr LL-8004B Specification:

Video Input Format NTSC / PAL : BNC 4CH In/2CH Out
Folding 10.4" Color LCD monitor
1 USB ports,RS-485
Compression Method:  Motion JPEG
Removable HD raLL,Over 500GB,ATA-100 interface HDD x 1
Dimensions:(L×W×H) 370mm×370mm×70mm,weight: 8kg