Comes with 1 of H System GU10 base line voltage track lighting fixture and 6500K Daylight white GU10 LED Bulb 7.5 Watts, 6500K Daylight White, 500 lumens, 82 CRI, 40° beam angle, GU10 LED Bulb equivalent to 50W halogen bulb. H system, 3-wire-1 circuit track system (2-clip terminals on one side,1-clip terminal on the other side. 15/16-inch if measure from tip to tip). 350° horizontal rotation and 90° vertical project. RATING : UL Listed. Rated for Indoor use or Dry locations. The classic cylinder track lighting fixture comes with a 7.5-watt 6500K Daylight White GU10 LED bulb. It can be used as general lighting, ambient lighting and general light effect. This simple and clean designed track head is an ideal accent lighting choice for retail store lighting, gallery lighting, display lighting, task lighting, product highlighting, and residential lighting purposes. GU10 Twist and Turn base track fixture, compatible with any typical H system 3-wire-1 circuit tracks. 7.5-Watts, 120-Volts, UL Listed. Installation Video : http://youtu.be/QpwIEEQFJwg https://youtu.be/zDFSD6W3Ki4