... : 20x to 200x;7.Video format: AVI;8.Photo format: JPEG or BMP;9.Light source: 8 LED (adjustable by control wheel);10 ... : Windows2000 SP4/XP/Vista/Win7, Mac OS X 10.5 or above;13.OSD language: English, German, Spanish, Korean, French, Russian ... -line chatting;Teacher Add as Project ;Presentation.; 2M+Meas USB digital microscope