Choice of 2×2 and 2×4 foot Field Selectable Kelvin and Lumen Center Basket Lights aka Troffer. Replaces traditional fluorescent light fixtures. DLC listed. CCT options 3500K, 4000K and 5000K. Dimmable 0-10vDC. Standard mounting options include recessed grid or suspended ceiling using attached hanging brackets for drywall or plaster ceilings.