These unique LED bulbs are dual purpose; an LED headlight bulb and a color-changing devil eye all in one! Whether you're cruising around town before the sun sets or sitting at a local motorcycle meet, these bulbs will give your headlights an awesome devil eye effect with the help of our industry-leading XKchrome Smartphone Controller. When that sun goes down and your stock halogen bulbs leave a lot to be desired, we've got you covered! More light and a fresh look, what's not to love!