Cree LED Lighting CR24™ Collection LED troffer has durable 22-Gauge steel housing with white finish, for added durability. This LED troffer delivers a light output of 4000-Lumens with a color temperature of 3500K and CRI of 80. It has an average life of 75000 Hours and an efficacy of up to 130 LPW. This rectangular LED troffer with diffusing lens shade, is recessed mountable. The architectural LED troffer measuring 47.7-Inch x 23.7-Inch x 4.75-Inch, has a voltage rating from 120 to 277-Volts and a fixture wattage of 40-Watts. It has 1-piece lower with a textured high reflectance white polyester powder coat reflector for even distribution of light. The troffer incorporates Cree TrueWhite® technology. This troffer includes T-bar clips and holes for mounting support wires. It is suitable for use in commercial new construction or renovated spaces. LED troffer meets cULus, UL 924, DLC, FCC Part 15, Subpart B, Class A and RoHS standards.