> For the complete documentation index, see [llms.txt](https://docs.senstream.com/senstream-researcher-ring-application-user-guide/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.senstream.com/senstream-researcher-ring-application-user-guide/senstream-research-ring/product-marking.md).

# Product Marking

<figure><img src="/files/dbJCK3OPojaoMjBS6wzg" alt=""><figcaption><p>Product Marking visible through clear plastic housing</p></figcaption></figure>