> For the complete documentation index, see [llms.txt](https://support.senterasensors.com/home/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://support.senterasensors.com/home/6x-series-sensors-user-guide/6x-series-sensors/installation/freefly/astro/light-sensor-mounting-hardware-installation.md).

# Light Sensor Mounting Hardware Installation

## Mast Type

There are currently two different light sensor mast types for Astro. The red mast is the newest model and is designed to work with all Astro models. 

The black mast is an older design and was designed to work with Astro models without the newest high efficiency propellers. 

Please select the mast typer that was provided with your sensor for instructions on how to install it. 

<table data-card-size="large" data-view="cards"><thead><tr><th data-type="content-ref"></th><th data-hidden data-card-cover data-type="image">Cover image</th></tr></thead><tbody><tr><td><a href="/home/6x-series-sensors-user-guide/6x-series-sensors/installation/freefly/astro/light-sensor-mounting-hardware-installation/red-mast-instructions.md">Red Mast Instructions</a></td><td><a href="https://816013970-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F5Jgm6jwRCbkoXyPerUfI%2Fuploads%2FiLyKYatILmLRTOfD4fS5%2FRed%20ILS%201.png?alt=media&amp;token=842f8703-e479-40a5-81e3-53a43f4ded96">Red ILS 1.png</a></td></tr><tr><td><a href="/home/6x-series-sensors-user-guide/6x-series-sensors/installation/freefly/astro/light-sensor-mounting-hardware-installation/black-mast-instructions.md">Black Mast Instructions</a></td><td><a href="https://816013970-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F5Jgm6jwRCbkoXyPerUfI%2Fuploads%2Fm4OWBrp5gyGxFBF7GHvm%2FBlack%20Mast.png?alt=media&amp;token=1c768a3f-4537-4cf7-a9dd-1fa156508ae5">Black Mast.png</a></td></tr></tbody></table>


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