Colorvision STV100 Spyder TV Colormeter (Discontinued by Manufacturer) Scientifically measures contrast, brightness, color, tint, and color temperature presets on your TV Helps you make adjustments to dramatically improve your picture quality Easy to use, intuitive interface Comprehensive help screens guide you through each step to achieve your desired color setting Supports Plasma, RPTV, DLP, LCD and CRT TVs.