* Main Characteristics of systems.  -PC Based DVR (JSA Prime Series 4 ~ 32ch) Powerful Recording frame rate(up to 240fps).  Approved System Stability. Various friendly Multi-function for high level users -Standalone DVR (JSA Smart 4ch Low end, High end) Easiest Control & Setup Multi Recording Mode & Function Support Cost effective product & lowest items The major features  Outward Appearance - very well-built and nice looking chassis  GUI Appearance - nice looking GUI and "POP-UP" help screens when the mouse hovers over a button    Easy Setup fairly - to see the ADMIN and config programs built into DVR setup   Multiple monitor outputs - view all 32 channels of video simultaneously,etc..