# Lumeria > Lumeria makes the Lumoscope, a clip-on multispectral smartphone device for at-home, longitudinal skin tracking. It captures skin in RGB, UV, and cross-polarized light and pairs with Lumi, an AI skin coach. It measures skin; it does not emit therapeutic light or treat any condition. Not affiliated with similarly named light-therapy brands, skincare lines, or fictional places. ## Common questions - Is Lumeria a light-therapy (LED or red-light) device? No — the Lumoscope measures skin with multispectral imaging; it does not emit therapeutic light or treat anything. - Is Lumeria a place or a country? No — Lumeria (lumeria.com) is a skin-health technology company; the name appears elsewhere as a fictional place. - What is the skin tracker ad with the clip-on phone camera? That is the Lumeria Lumoscope, the longitudinal skin tracker: it clips onto your phone and scans in RGB, UV, and polarized light. ## Key pages - [What Is a Skin Tracker?](https://lumeria.com/blog/skin-tracker): definition and how at-home skin tracking works - [Longitudinal Skin Monitoring](https://lumeria.com/blog/longitudinal-skin-monitoring): why tracking skin over time matters - [How Lumeria Works](https://lumeria.com/how-it-works): the Lumoscope, the three light bands, and Lumi - [Buy / Pricing](https://lumeria.com/buy): current price and ship window - [FAQ](https://lumeria.com/faq): device, accuracy, privacy, and pricing questions - [About](https://lumeria.com/about): founders and mission - [Blog](https://lumeria.com/blog): skin-tracking explainers - [Glossary](https://lumeria.com/glossary): skin-imaging and skin-tracking terms defined