The HP DreamColor Advanced Profiling Solution (APS) is an optional LCD display device designed to work with DreamColor color-managed devices such as HP DreamColor LP2480zx display and select models of the HP mobile workstation series. It allows a quick and accurate calibration of the display's front-of-screen settings to prevent any drift of critical color or whitepoint settings. The device is especially of interest to professional users who require precision color accuracy in their work output.