LED recessed can and downlights LED retrofit kits save over 60% energy over traditional incandescent bulbs. We have easy install LED retrofit kits so you can keep your existing housing and wiring in tact. Simply remove the old lamp, mount the retrofit kits with the included hanging clips, and screw in the included socket and wire combo to apply power. Common features include Energy Star, Dimming capability, and long warranties for 4 inch, 5 inch, and 6 inch LED cans.