LED headlight bulbs produce more light, use less energy, and last much longer than halogen bulbs. These bulbs are easy to install, and feature a compact radial heat sink that requires less space than older style LED bulbs. The ballast, voltage control, and current monitoring circuits are built into the bulb for a simple compact & cleaner installation. White 6500K color temperature with two color films that can be added to change the light color - 3000K (yellow fog light applications), and 8000K (blue fog light or headlight applications). Sold two Bulbs per Package.