GE Reveal retrofit LED (light emitting diode) can light kit. Reveal filters out dull yellow rays providing a crisp white light. Sleek integrated bulb/fixture design blends into the ceiling. Replace medium base light bulb and the existing fixture's trim ring for a new look. Fits the same opening as an R30 bulb. Dimmable, 6 In. can opening. Ideal for hard to reach sockets that are frequently left on. 25,000 hours rated life.