FEATURE Easy to install,you can complete it quickly. Solar charging, lithium battery power storage, free wiring, maintenance-free, no need to replace the battery, efficient and environmentally friendly. The product is covered by high quality silicone, corrosion resistant, anti-aging, high/low temperature resistant, extremely good waterproofness, avoid damage to car body caused by the high pressure water gun Decorative light use on car Wheel. Main function: Driving warning: the LED lights will turn on their own at the speed of more than 25KM/h, remind car or pedestrian of avoidance, reduce or avoid traffic accidents. Vehicle decoration: When the vehicle is running, the lights turn with the wheels, gorgeous light appears. Generally used for bicycles, motorcycles, cars, SUV and truck, US standard air faucet. Only for US standard air faucet SPECIFICATION Name: Car wheel hub tire solar LED decorative light Material: ABS plastic shell Size: Diameter: 4.5cm Thickness: 2.4cm Working voltage: 3.0-3.7V Light color: Multicolor Power supply: Solar Package included: 4 pcs wheel light