Lytespan Alcyon Step Spot PAR38 track head features 365 degree horizontal rotation and 0-90 degree vertical adjustment. Includes integral accessory holder and retaining ring. Holds one lens and one louver or two lenses, sold separately. Made of die-cast aluminum with finish available in Matte White, Matte Black or Metallic Aluminum. One 150 watt, 120 volt PAR38 medium base lamp is required, but not included. UL listed. 5.8 inch width x 6.9 inch depth x 8.5 inch length. Compatible with Lytespan Basic 1-circuit, Advent 1 or 2 circuit, and Radius 1-circuit track systems.