H System GU10 base line voltage track lighting fixture with warm white GU10 LED Bulb. 7.5 Watts LED, 3000K Warm White, 500 lumens, 82 CRI, 40° beam angle. Equivalent to 50W halogen bulb. For 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. ETL Listed. Rated for Indoor use or Dry locations. The classic cylinder track lighting fixture comes with a 7.5-watt 3000K Warm 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 ad Turn base. Compatible with any typical H system 3-wire-1 circuit track system. 7.5-Watt, 120V, 3000K warm white. ETL Listed. Black Finish. ** Installation Videos : https://youtu.be/QpwIEEQFJwg and https://youtu.be/zDFSD6W3Ki4