... Image and Showing Live Video on PC Screen;Saving Still Images as BMP,JPG Files;Software for Previewing, Measuring, Comparing, Counting ... , Saving and Deleting;Tube Mounts: Ø23.2, Ø30, Ø30.5mm;PC System Required ... : Hardware: USB2.0 Connecting Socket;CPU: Intel P4,EMS Memory: 256M,Hard Disk: 512M;Software: win2000( ...