USB digital microscope,Image sensor: 1.3 M(interpolated to 2M),Magnification Ratio: 20x ,400x usb digital microscopeImage sensor: 1.3 M(interpolated to ... system: Windows2000 SP4/XP/Vista/Win7, Mac OS X 10.5 or aboveOSD language: English, German, Spanish, Korean, French, RussianBundle software ... -line chatting Teacher Add as Project Presentation USB-130x400 usb digital microscope