Direct-lighting 50067 Black GU10 Base Line Voltage Track Lighting Head GU10 line voltage track lighting head. GU10 base. 50W Max. Halogen or LED bulb ( BULB NOT INCLUDED) H type compatible with H type 3-wire-1 circuit track system 180 horizontal rotation or 90 vertical project. UL Listed. Rated for Indoor use or Dry locations. Installation Video: http://youtu.be/QpwIEEQFJwg