The color changing strobe light bar works with wireless remote controller or works with switch controller.This light bar can give you a huge benefit with its various functions and colors lighting solutions on your vehicle.The color changing light bar can meet changing colors and various strobe patterns with one led bar. When you have a Friday party with your friends,you just turn our lights and that the color changing strobe light bar will make you and your friends so charming and dazzling.Of cause, the premise is that you installed our lights.