This is a 4656/4651 Halo low/high beam conversion kit This kit features: 4 4"X6" Diamond cut sealed beam conversion housings4 H4 Xenon bulbs rated at 65/55 Watts, with an output of 90/100 Watts4 rubber covers (to keep the housings dry)Headlights are plug and play, Halo's will need to be wired in.Wiring harness and diagram for the low beamsGlass LensesEuro Style lenses50% Brighter than stockThese headlights contain the optional Halo function, which is the blue ring that lights up around the perimeter of the light housing. That will need to be wired in separately, most people wire that to their parking lights, others to a separate switch. This kit really lights up the road better than traditional halogen sealed beams. You'll notice a significant increase in lighting. Your car will light up the road like it never has before! These headlight housings are the best out there! Made of a high quality high performance plastic / composite base and glass lenses. The bulbs are guaranteed to give off a bright white light with a blue tint. Don't be fooled by cheap imitations that can be found at your local auto parts stores. Those cheap quality bulbs don't compare to these. I've seen these lights retail for as much as $179 a set, so buy now!!HID LOOKNow you can have your car project a clean bright white light with a bluish glow just like the newer luxury cars