> For the complete documentation index, see [llms.txt](https://ask.simplehw.eu/kb/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://ask.simplehw.eu/kb/how-to-purchase-the-devices/guarantee.md).

# Guarantee

As we sell B2B,  the standard guarantee is 1 year under the condition of proper usage, device settings and not exceeding operational temperature.  Extended guarantees can be purchased at an extra cost of 7 percent per additional year.