The LSER architectural troffer brings cutting edge LED technology into an architecturally styled luminaire. Perfect for relight, retrofit or new construction.Architecturally enhanced triple lens design, High efficacy, sustainable LED design, Long-life, 60,000 hour LEDs at L80 reduce life cycle maintenance costs, Multiple lumen packages for design flexibility, Four LED color choices, Superior color consistency within a 3-step MacAdam ellipse and greater than 80 CRI, Lens design and materials provide uniform appearance without pixilation, Hinged optical system for modular replaceability of LED boards and drivers from below, Available in 1'x4', 2'x2', 2'x4', Two optional lens aesthetics, Lenses interlock for structural integrity, Recessed, Surface, or Cable Mount, Optional architecturally styled integration of occupancy and daylight sensor, 2'x2' and 2'x4' only, DLC® (DesignLights Consortium) Qualified - see www.designlights.org, Five year warranty (Terms and Conditions Apply),