XKGlow set out to design a truly unique offering to give your Harley a one-of-a-kind look. Integrating the latest in bi-LED technology allowed us to achieve this unique 3D halo effect with super bright RGB switchback turn signals with bug-zapping performance! Since introducing the first-ever smartphone controlled LED lighting system more than 8 years ago, our industry-leading XKchrome APP gives you more features than any other APP on the market. See and be seen with our ALL NEW XKchrome Bi-LED 7 in. Headlight.