Brightness can be changed by clicking the icon and drag the slider knob shown on the fly. Notification area icon also shows current brightness in a tool tip. The application window can be minimized as an icon in the notification area of the taskbar (system tray) that indicates the current brightness level of the main display. If you find your desktop, screen, or monitor too bright, you can make it lighter if you find your display device too dim, you can make it brighter by changing the brightness level slider in the application window of this utility. It helps you to save your battery and your eyes as well as the back light of your monitor. A tuning utility to adjust brightness on laptop, notebook, netbook, and ultrabook.