The EnVision LED Panel Series are edge-lit, available in a white frame, and designed to lay in 2x2, 2x4, or 1x4 fixtures. Retrofit existing fluorescent troffers used in drop ceilings, enjoy minimal power consumption, long lifespan, and bright illumination. The EnVision panel are flicker-free, fully dimmable with 0-10V dimming systems, emit a shadow-less light, and are rated up to 50,000 hours.