How to darken/dim any LED alarm clock that has a very bright display.

Automotive Tint
https://amzn.to/3EPE7yH
https://amzn.to/3rK0nCf

Xrexs wifi clock
https://amzn.to/3T9YJFy (RED)
https://amzn.to/3TgeBGL (BLUE)