Features: Function: * Led flash tire wheel valve cap light can enhance visibility at night and in bad weather to ensure safety. When your wheel starts to move, it automatically flashes and forming a colorful aperture of light which make your car/motorcycle/bicycle look beautiful. Easy to Install: * Independent circuit design and no tools are needed, take out the insulating paper before use and tighten the wheels lights to your bicycle, motorcycle or car"'"s wheel. Double-inductive Design: * Smart photosensitive and vibration induction control, automatically turn on and off, only illuminates when the car/bike is moving and at night or when the light is dim. When you stop, it will turn off to save battery power. Waterproof Design: * This car wheel lights has passed the waterproof test, suitable for all kinds of weathers, even can be used on rainy days. But please do not put it in the water too long. Applicable Models: * Suitable for any type of car, motorcycle, bicycle, electric cars, apply to merican valve and english valve. French valve unavailable. Specifications: * Material: Metal + PVC * Model: Double sense type (light sense, shock) * Working Mode: Flashes * Color: Blue / Red / Green / Colorful (Optional) * Installation Site: Vehicle valve * Energy-Efficient: Light turns on when moving, turn off when stop * Suitable Models: Universal type, apply to cars, motorcycles, electric cars, bicycles * Applicable Valve: Suitable for schrader valve, american valve and dunlop valve, woods valve, english valve available. But presta valve .sclaverand valve or french valve unavailable Package Includes: Option 1: * 2 x Car/Bike/Motorcycle Tire Wheel LED Lights Option 1: * 4 x Car/Bike/Motorcycle Tire Wheel LED Lights Note: 1.The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 2.Please allow slight manual measurement deviation for the data.