4" diameter surface / wall mounted or suspended extruded profile, made of aluminum, powder coated white. Solid aluminum endcaps available in different finishes. Internally locking endcaps for vertical wall mounting. Opal snap-on cover for uniform illumination and a total optical system efficiency of up to η=85%. High efficiency LEDs with 90% lumen maintenance (L 90) long life 40,000 hour. Color temperature consistency to a 3-step MacAdam ellipse in 30K, 35K or 40K. 120 / 277V input voltage with various dim options. 347V option available as well. Damp rated. Fixture meets ADA Standards.