Docking Station for Microsoft SURFACE

This is a Surface Dock.
I used it until a few months ago, but I updated my laptop and no longer have the Surface, so I've decided to sell it.
I used it for multi-display purposes, so I have not been able to confirm the operation of the LAN or SD card slots.
Please note that for it to work, you need to connect it so that the LED lights up, otherwise the display will not be recognized, as shown in the photos.

Thank you for looking.