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). Most bulbs feature an adjustment screw that allows the bulb to be rotated to adjust the beam pattern on your vehicle. Sold two Bulbs per Package.