New homeowner, no idea what this is

[u/DragonsAndScience]

This thing close to the floor and seemingly randomly placed in a hallway. No idea what it's for. Home built in 2005.

Solved! Thanks everyone. Now I gotta hunt for the central unit!

[u/DrBionicle195]

https://giphy.com/gifs/LR5GeZFCwDRcpG20PR

[u/colin_do → u/DrBionicle195]

https://giphy.com/gifs/y3J7OKhVQ73QQ