they are an HID retrofit that came with an led ring for backlighting i know of only one other person that has done it on his f150, a 97-03 style, and i may have to someday do another set on a truck for somebody else. pretty easy to do though H13 9008 Bixenon projector system complete
^ do it. That guy has had those listed for a while now. And he's kinda hosed since everyone is buying their own kits for 25% off lol