eBoTrade 5MP USB Microscope 20x-300x Magnifier Video Microscope with Professional Base Stand Support Windows XP Vista Win7 Win8 Win10 Mac 5.0 Megapixels,300x optical magnification Professional, adjustable height stand included for hands-free operation 8 LED lights with brightness adjustment control, which enables you observe clearly Ideal for children, students, collectors, testers, and anyone interested in exploring the microscopic world Intuitive software with measuring features,USB 2.0 connection,compatible with win XP/Vista/Win7, Mac OS X 10. 6 or above