The Color Vision Spyder2Express Color Monitor Calibration Kit is a professional tool for ensuring accurate and consistent color calibration on both CRT and LCD monitors. With a compact design and user-friendly interface, this kit is compatible with various operating systems including Windows and Mac. It comes with a CD format and requires a minimum of 64 MB of RAM and 500 MB of hard drive space. The Datacolor brand ensures quality and reliability, making it a valuable asset for photographers, graphic designers, and multimedia professionals looking to achieve precise color accuracy in their work. In great shape with manuals, software and original packaging.