Specifications: Product Name: Vibration Sensor Tire Valve Cap Strobe Lights. Material: ABS+PC+LED. Color: Colorful. Charging Time: 20 Minutes (Red Light: Charging, Red Light OFF: Fully Charged.) Rated Voltage: 5V. Package List: 4*LED Valve Stem Caps Lights, 1*Charging Cable, 4*Straight Base, 4*Elbow Base. Features: Set Your Wheels Aglow: Enjoy the stunning luminous effect that amplifies your driving joy. Set your wheels aglow with our tire valve caps strobe lights, featuring a tri-color flash mode that shines brightly on every spin. This valve stem caps RGB light is a fun and cool accessory for cars, motorcycles, and bicycles. .