* Dim your screen AND the notifications drawer (unlike most other apps).
* Adjust opacity / intensity / transparency in the app or from your notifications.
* Adjust screen filter tint color to anything you like.
* Scheduler and Sun Scheduler to automatically turn on/off screen dimmer / filter at a specific time or at sunrise or sunset.
* Shake phone in emergencies to turn off the dimmer / filter.
* Use notification and quick settings tile to easily toggle the screen dimmer.