Extruded aluminum channel in 2', 4', 6' 8', 12' & continuous lengths, Patented WaveStream™ Technology with AccuAim™ optics, 1 and 2 ft panels provide optical control with optimal illumination, Standard or custom panel spacing to exactly match lumen requirements, Three optical panel angles configured at the factory, Available in three CCT options: 3000K, 3500K and 4000K, 120-277 voltage electronic driver certified to UL and CUL, Standard 0-10V continuous dimming driver, L85 at 60,000 hours with 5 year warranty