Cree LED Lighting LED troffer retrofit kit in smooth matte finish, has 22-Gauge cold rolled steel frame for added strength and durability. It features an optimized smooth acrylic shade that can accommodate 27-Watt LED lamp. This >80 CRI troffer delivers a neutral white light output of 3200-Lumens and has a color temperature of 3500K. The troffer measuring 24-Inch x 24-Inch x 2.9-Inch, has a voltage rating from 120 to 277-Volts AC and an efficacy of 122 LPW at 50/60-Hz. It is suitable for use only in lighting controls with neutral connection or controls intended for use with LED fixtures. The LED troffer retrofit kit meets UL 1598C, DLC, FCC Part 15, Subpart B, Class A and RoHS standards.