1. Mount 4 LED lights on the wheel caps of cars, bicycles and motorcycles.
2. Enhance safety by mitigating and warning people and vehicles around while driving at night.
3. As your wheels begin to move, they will automatically flash to form a solid disc that appears to float above the wheel. When stopped, they will turn off to conserve battery power.
4. Easy to assemble.
5. LED light color: Rainbow, Red, Blue, Green,Mix Colors