USB digital microscope,Image sensor: 1.3 M(interpolated to 2M),Magnification Ratio: 20x ,400x usb digital microscopeImage sensor: 1.3 M(interpolated ... or aboveOSD language: English, German, Spanish, Korean, French, RussianBundle software: MicroCapture with measurement & calibration functionSize: 125mm (L) x 33mm ... -line chatting Teacher Add as Project Presentation USB-130x400 usb digital microscope