I've a Feller UP LED Universal Dimmer that I haven't used, but don't need.
It can dim all kinds of loads: ohmic, halogen and LED. For ohmic/halogen the supported load is 4-400W, while for LED loads it's 4-200W.
It's in the original packaging and have never been used. I payed CHF212 for it.
Link to manufacture page:
https://online-katalog.feller.ch/de/product?fnr=40200.LED.FMI.61.14#documents
Pick up in Basel 4057.