Specify lamp module and optical element for desired lighting effect, Full vocabulary of distributions including open, lens and wall wash, Luminaire can be modified from below the ceiling at any time, Hot aiming rotates 365°, tilts 45° and locks in any position, Translating center beam optics provides full light output from 0 - 45°, Collar adjusts 1/2-1" extended collars available for 2" thick ceilings, Bar hangers adjust up to 24" and have integral nail and tee grid clip, cULus listed, Non-IC, thermally protected and ASTM-E283 airtight