GU10 LED Track Lighting Head - Black GU10 base. 7.5-watt, 500 lumens, 40° beam angle, 6500K Daylight White dimmable LED bulb included H type compatible with H type 3-wire-1 circuit track system. ( 3 metal tips. 2 tips on 1 side and 1 tip on the other side. 15/16-inch if measure from tip to tip) 350° horizontal rotation or 90° vertical project. 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