ABLEGRID 5MP 20-300X USB Digital Microscope Magnifier Video Camera with 8-LED, Base Stand,Software for Windows, Mac, Vista [Best Merry for Children, Students, Collectors and Testers] 5.0 Megapixels,300x optical magnification 8 LED lights with brightness adjustment control, which enables you observe clearly Intuitive software with measuring features,USB 2.0 connection,compatiable with win XP/Vista/Win7, Mac OS X 10. 6 or above Professional, adjustable height stand included for hands-free operation Ideal for children, students, collectors, testers, and anyone interested in exploring the microscopic world