This is an excellent bicycle light is special for you! Don?t hesitate! Come on, Take it! This LED Bike Car Wheel Tyre Flash Light Valve Cap Blue is a type of vibrator flashlight with single color and induction, integrates dynamic circuits and light emitting circuit in one. Well designed and easy installation, just screw it into the tire valve stem of your car, bicycles or motorcycle in seconds. It will be beautiful aureole when driving at night, while the effective protection of valve plug and water.