Atlona model AT-PRO3HD44M A/V Switcher.
4x4 HMDI to HD base T Matrix switcher.
I have no idea if this even works, as I don't know how to use it. Comes with 3 sensors.
Recently. I bought a rack with some gear still in it. Everything else worked, but I don't know about this unit.
SO-You can have it for $50, and if it doesn't work-bring it back for a full refund!