Architectural design. .040 Aluminum pre-painted housing. Post paint available. Tool-less room-side driver access for easy maintenance. Frosted acrylic lens easily removes for cleaning. 3000K, 3500K, & 4000K colors available. 0-10V Dimmable Driver (100%-1%). Type IC (suitable for insulation contact). Universal Voltage (120-277V). 5 Year warranty. ETL Listed. DesignLights Consortium® Qualified Luminaire.