its crap, does not work very well, very imprecise, and causes many issues with games when its running and certain features are turned on.its currently unplug always, now i wish i could get the bracket off my monitor but its stuck.also does not work with widows 10 anymore to unlock PC, or sign in.

Because it does not work in Linux (which SteamOS is based on

That aside, how well does it work?

It won't take your skill level and raise it but does offer some interesting levels of immersion to certain games like Ghost Recon Wildlands

I do not know how it's able to track my eyes as well as it does