> For the complete documentation index, see [llms.txt](https://neolabdev.gitbook.io/neolab-cloud_en/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://neolabdev.gitbook.io/neolab-cloud_en/connection-with-neostudio-web-1/edit-mode/highlight-pen.md).

# Highlight pen

You can use a highlight pen tool with a mouse or stylus connected to your PC.

> **Highlighter tool** 
>
> 1. Click on the 4th highlighter on the left palette or press the shortcut key \[H]. 
> 2. You can use the highlighter function with your mouse or stylus. 
> 3. While the highlighter is selected, you can change the color and thickness at the bottom of the palette and freely write. 
> 4. Try highlighting while painting over your writing.

<figure><img src="https://2878614083-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2Futffnri6UODxEBW51ffl%2Fuploads%2FigI0KsoMkBBDU1ZVxtSI%2FScreen-Recording-2023-04-10-at-10.05.04-AM.gif?alt=media&amp;token=02143822-302f-4044-b416-3b8bb00681bc" alt=""><figcaption></figcaption></figure>