This kit features: 2 7"Round Diamond cut sealed beam conversion housings2 H4 Xenon superwhite bulbs rated at 65/55 Watts, with an output of 90/100 Watts2 rubber covers (to keep the housings dry)Plug and play no rewiring is necessaryThis is for 12 Volt Hummer, if you have a 24V you will have to down convert your headlights for this to workThis 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! Now you can have your car project a clean bright white light with a bluish glow just like the newer luxury cars