... 3.Magnification Ratio: 20x to 200x 4.Video format: AVI Mini USB digital microscope Image sensor: 1.3 Mega Pixels ( ... USB portOperation system: Windows2000 SP4/XP/Vista/Win7, Mac OS X 10.5 or aboveOSD language: English, German, Spanish, Korean, ... French, RussianBundle software: MicroCapture with measurement & calibration functionSize: 110mm (L) x 33mm (R) Package: 20pcs/carton; N.W: 7.0kgs/carton ...