... way, manual&auto two ways focus, led light source support, portable model 1. Working platforms:Windows7 xp vista Mac Linux 2 ... . Magnification:50-200 times 3. Photograph:Taken by the software & by USB wire 4. Max object distance:0mm 5 ... ×110mm 11. interface: USB 2.0 auto&manual focus portable microscope, digital endoscope, zoom microscope, measure tool, high video compression, built-in memory