The Datacolor Spyder4TV™ delivers an easy-to-use solution for optimizing all the TVs in your house so you can see your pictures as the director intended. Color calibration can save on your display's energy consumption and extends the life of your TV. Spyder4TV™ scientifically calculates the correct adjustments to brightness, contrast, color, tint and temperature, but is very simple to use. Don't rely on your TV's factory settings and don't guess at what the correct settings are. Take control of your home theater experience and you'll be amazed at the vivid colors you can achieve by doing a calibration.