This 120 volt, brushed steel linear track fixture, will work with any standard Linear H series Track (sold separately). The smoked glass shade will add a contemporary feel to any room. It installs on the track in seconds, with a quick 1/4 turn to lock in place and is multi-directional to shed light in desired areas. This fixture uses a brilliant, 50-watt, 120 volt, GU10-16, Halogen light bulb which is included. This fixture works with a standard incandescent dimmer switch, and is not to be used with low voltage dimmers. This fixture is UL listed.