The Feit Electric TR2X4G2/6WY/WH 2x4 foot Lay-In LED Troffer provides added function and beauty to any residential or commercial area. A patented selectable color temperature feature allows users to choose from warm white, cool white or daylight. Set the color with a switch on the fixture, or adjust after install by toggling a wall switch. An ultra slim, backlit design with frosted acrylic lens and a white frame add beauty and modern style, and energy-efficient LEDs produce evenly distributed light without any glare, hotspots or flickering. Each fixture is rated to provide 4500 lumens and last for 50,000 hours/45.7 years delivering reliable lighting.