Available in 1' x 4', 2' x 2' and 2' x 4' recessed versions, Clean architectural appearance, Optimal performance and energy efficient, High performance efficacy up to 109 lumens per watt, Over 60% energy savings when compared to fluorescent troffers, Four CCT options: 3000K, 3500K, 4000K, and 5000K at 80CRI, Standard 0-10V dimming driver with Step-dim and Fifth Light options, 2x2: L90 at 60,000 hours 2x4: L89 at 60,000 hours with 5 year warranty