@GB Features: OOTDTY These LED Bike Wheel Lights fits most bicycles, motorcycles and for . At the same for , the ultra-cool and delicate wheel tyre lights have waterproof and power-saving functions such as moving light in the dark. It is composed of a dynamic induction circuit and a light-emitting circuit. The LED light is for always bright, independent circuit design, no need to modify or connect to the car's own circuit. Tighten it on the for VALVE of the tire of the car and motorcycle when the speed reaches a certain speed, the bright spot will form a complete circle. LED lights will turn on when the vehicle is moving and off when the vehicle comes to a stop. Specifications: Material:Metal Color:Multi Color,Blue,Red,Green,White Length:Approx.3.8cm/1.5'' Net Weight:36g Package Includes: 4x Bike Wheel Lights Note: Please allow 1mm errors due to manual measurement. Due to the difference between different monitors, the picture may not reflect the actual color of the item.