Auto Color changing pattern and 7 preset selectable colors. Music Interface mode. Wired remote control with LED's that indicate color and pattern. Compact digital controller for ease of installation. Waterprove PC tube is Durable & Dependable, it won't be broken even press by the wheel. Optional wireless remote control. It has Memonry fuction, whenever you turn on the power, it will show same mode as last time. We aslo have soft/flexible type ,which Can be bended, very durable water proof 12V DC