> For the complete documentation index, see [llms.txt](https://help.aranet.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://help.aranet.com/aranet2/aranet2-home/faq.md).

# FAQ

<details>

<summary>What are the recommendations for indoor air humidity?</summary>

Indoor humidity levels should range from 30% to 50%. This range supports comfort and health, while also helping to prevent mold growth.

</details>

<details>

<summary>How do I change temperature measurement unit type?</summary>

It is possible to change the temperature measurement unit type separately both on the Aranet2 Home sensor display and in the Aranet Home app. The temperature can be displayed in either Celsius or Fahrenheit degrees in both places.

The temperature measurement unit on Aranet2 Home sensor display can be changed with the help of the second dip switch in the battery compartment.

</details>

<details>

<summary>How to export measurement data from Aranet Home App?</summary>

Simply go into your Aranet Home App, and tap onto the dashboard view in the top right corner. Once there, tap on the “Sharing” icon in the top right corner and choose how you would like to share or download it.

</details>

<details>

<summary>Does it work without cables or Wi-Fi?</summary>

Yes. It’s battery-powered and cable-free. Bluetooth is optional and used only if you connect it to the Aranet Home app.

</details>

<details>

<summary>Do I need to register to use the device?</summary>

No registration is necessary. You can use Aranet Radon Plus sensor as a standalone device or sync it with the free Aranet Home app for a comprehensive data history and analysis.

</details>

<details>

<summary>How can I extend the warranty on my Aranet Home products?</summary>

You can extend the warranty of your Aranet Home products by an additional 12 months by registering the product and agreeing to receive email updates from SAF Tehnika. You can withdraw your consent to receive emails anytime without affecting the extended warranty.

[Register your product](https://aranet.com/en/home/register-product)<br>

</details>

<details>

<summary>How can I return my Aranet sensor?</summary>

If you’re facing issues with your product, please fill in the returns form.

[Return form](https://rma.aranet.com/)

</details>


---

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