The HP LCD-Hood Kit is a monitor option designed to block the glare from overhead lighting. The hood helps to improve the color and contrast performance of the monitor in a room with bright overhead lights. - Shields the display from ambient light - Reduces on-screen glare from surrounding office lighting and windows - Improves the monitor color and contrast performance - For color calibration/profiling, improves the accuracy of the calibration process by reducing ambient light to the colorimeter