# Air Quality Sensor Status LED

Each Verkada [Air Quality Sensor](https://www.verkada.com/air-quality/sensors#overview) is equipped with an outside LED light. This light indicates its operating status. Verkada offers the [SV11](https://www.verkada.com/sensors/sv11/) series and SV20 series (including [SV21](https://docs.verkada.com/docs/air-quality-sensors-overview.pdf), [SV23](https://docs.verkada.com/docs/air-quality-sensors-overview.pdf), [SV25](https://docs.verkada.com/docs/air-quality-sensors-overview.pdf)).

## SV11 series

The [SV11](https://www.verkada.com/sensors/sv11/) series follows the same LED convention as all Verkada cameras.

![](https://3057705728-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FJtgmyWYlTEX9DpjvBwTL%2Fuploads%2Fgit-blob-f40ec6af76669b489ca83b0c4cceab8e74b284e3%2F39d533797af0dee409035ed6d8d0e6f232f303d0.png?alt=media)

## SV20 series

The newer SV20 series ([SV21](https://docs.verkada.com/docs/air-quality-sensors-overview.pdf), [SV23](https://docs.verkada.com/docs/air-quality-sensors-overview.pdf), [SV25](https://docs.verkada.com/docs/air-quality-sensors-overview.pdf)) uses a white LED indicator; however, its status is analogous to that of the blue LED on the SV11.

![](https://3057705728-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FJtgmyWYlTEX9DpjvBwTL%2Fuploads%2Fgit-blob-bee9908e2734e8a7496e00ea380098f5d0769aec%2F9e5b72d9d92121b9d0e41f4512ecd32f4283d4ae.png?alt=media)