Work at Night 2.2

Work at Night allows you to control the brightness of all your screens in multiple settings. This customizable app allows you to place a shade over multiple screens at the same time, helping reduce the strain on your eyes especially at night or when you just woke up. It will reduce your Mac's brightness on demand, without any risk to your activities on your computer.

Work at Night was built specifically to save on energy consumption extending your batteries working time.