Five light modes: The auxiliary light comes with wiring harness. The light mode can be freely switched through switch: high beam, low beam, hight beam & low beam light on at time. Added daytime running light mode and breathing light mode. The daytime running light mode can help you improve your visibility when driving during at day. Can illuminate the journey without harming other rider. The breathing light mode can help you improve the safety of driving at night and realize the transition from light to dark and then to bright again. The lighting changes provide you with personalized choices of lighting modes, which enhances the coolness of riding and makes your motorcycle the focus at night