Led Flash Tyre Wheel Valve Cap Light For Car Bike Bicycle Motorbicycle Wheel Light Tire Light Single Color Wheel Light, Easy to set More energy-efficient,with light & motion sensors Durable, High Impact, Rust Resistant,Auto shining No switch, 106% waterproof Fits most valves of road, mountain bicycles, motocycles and cars Pls note: don't use in freeway