The Spyder 3 Express DataColor is a calibration device designed to ensure accurate and consistent color accuracy on computer monitors and projectors. Made by Datacolor, a reputable brand known for high-quality color management solutions, this product is being sold with CD software compatible with Windows XP, Vista (32/64), as well as Mac OS X 10.4 and later versions. With its ability to provide accurate color calibration, this device is a valuable tool for photographers, graphic designers, and anyone looking to ensure precise color accuracy in their work. Made in China, it offers reliable performance and results for professionals and enthusiasts alike.