The Carson's zPix 200 is a powerful zoom digital microscope that displays the magnified image right on your computer screen. The impressive 26x-130x zoom magnification allows you to see details of ordinary objects you never knew existed! Capture an image to keep using the built-in 1.3 megapixel resolution digital camera. You can even capture close-focus video. The MM-740 is compatible with the following: Mac OSX 10.4 or later, Windows 98 SE, Windows 2000, Windows ME, Windows XP, Windows Vista. A USB 2.0 port is required.