# Reference

Configuration, device information, and troubleshooting.

* [Settings & Room Management](/doc/8a9c459b-51b4-4e9a-87ad-5361933fd2b1) - Configure display options and manage rooms
* [Device-Specific Features](/doc/f3b1cd33-d2ce-4f48-958d-745c53bfdd1f) - EPL vs EP1 capabilities
* [Troubleshooting](/doc/d34e8813-0a6d-4dff-b0cc-fdc6f66d779f) - Common issues and solutions
* [FAQ](/doc/96cf5e38-ca8f-444e-8ed5-dbbfa9c37899) - Frequently asked questions

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**Documents**

- [EP1 vs EPL: Which Sensor is Right for You?](https://docs.everythingsmart.io/s/products/doc/ep1-vs-epl-which-sensor-is-right-for-you-5B3RxiY3Kp)
- [Everything Presence One (EP1)](https://docs.everythingsmart.io/s/products/doc/everything-presence-one-ep1-3R178yZSUP)
- [Everything Presence Pro](https://docs.everythingsmart.io/s/products/doc/everything-presence-pro-nh3fIXmow9)
- [Everything Presence Lite (EPL)](https://docs.everythingsmart.io/s/products/doc/everything-presence-lite-epl-ZVnBzYzuX2)
- [Zone Configurator](https://docs.everythingsmart.io/s/products/doc/zone-configurator-93b9scGsa2)
- [Knowledge Base Articles](https://docs.everythingsmart.io/s/products/doc/knowledge-base-articles-KnRRmk4zvt)