Field select Kelvin temperature (CCT) and Lumen output at installation. Four and Eight foot lengths available in standard and slim designs for surface mount installation. CCT options 3500K, 4000K, and 5000K. Low, medium, and high Lumen output options. Dimmable 0-10vDC. UL and DLC Premium listed. Well suited for new construction and facility retrofit of fluorescent tube lights. Uniform illumination without LED pixilation.