Christmas Watch Sale 2015 4pcs/lot Fire Round Wheels Lights Superfine Car Bike Bicycle Light LED Wheeltire Valves Lights Ountain Highway Bike Lights Automatic change color Wheel Light, one light can automatic change to different color. More energy-efficient,with light & motion sensors. Auto shining No switch, 100% waterproof. Durable, High Impact, Rust Resistant.