This application is quite simple and very easy to use. Once we start the application, will be presented with a light switch. Then scroll down to "MIN" for the screen to dim and dark settings, and slide up to "MAX" to the contrary. We can also choose a mode where we can get a clear view on the screen by pressing the "+" and "-" which can increase or decrease the brightness with the calculation of 1 / 100. The advanced mode also allows us to make each one different brightness levels.
Dimmers application is free on the App Store and for you iPhone users, can directly download it.