> For the complete documentation index, see [llms.txt](https://gathery.gitbook.io/faq/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://gathery.gitbook.io/faq/why-is-the-laser-power-getting-weaker.md).

# Why is the laser power getting weaker?

Some dust accumulate in the laser, which will affect the laser output. Please use cleaning cotton or blowing tools to clean the inside of the laser. In addition, using the laser continuously for a long time and at full power can lead to premature damage. We suggest the maximum power at 90%.