Equal in size to factory halogen bulb and 30% smaller heat sink than standard silver-lux pro. Same great features as silver-lux pro increases light visibility dramatically. Custom aluminum tower designed to correctly position the led behind in the lens. Each lamp includes a cree xhp70 led - with 180 degree beam angle and 6000 lumen output per kit. Bright white light rated at 6000k. Made in usa. 3 year warranty.