If you spend long days in front of your computer, it is important that the monitor is comfortable to watch. It is designed to help with this by automating screen brightness up sun and consist of a really delicate graphics display, display the current position of the Sun. The settings that you can choose the brightness of that suits you for day and night, and enter your geographic width. I do not know the latitude, but if you are looking for your nearest large town or city in Wikipedia, you'll find it! If you click the Sun on this interface gives you a short description of the effect of dimming will happen within 24 hours (the function {("View-application-site-desktop");}); He did the job without any problems. It has a button replacement, so if you make you sensitive to the color you're not distracted by the screen changed. It can be corrected by automatically detecting latitude you, or at least be able to calculate latitude based on your location, but this is a small problem. It depends on how useful is your use of computers in offices where the light doesn't change it a bit not relevant! Although it is not difficult to Change the brightness of the screen, which means you do not think about it again.