Features 1、This product adopts waterproof design and easy installation, gives you a better user experience 2、Equipped with optical sensor and motion sensor, only flash in the dark 3、Waterproof material, but you can not soak it in water 4、It will form several different floral flashing pattern 5、LED with 4 different colors, very glaring Description: This 32 LED waterproof bicycle wheel light will give your bike a dazzling and colorful look, it's so cool to have it. Features: This product adopts waterproof design and easy installation, gives you a better user experience. Equipped with optical sensor and motion sensor, only flash in the dark. Waterproof material, but you can not soak it in water. It will form several different floral flashing pattern. LED with 4 different colors, very glaring. Specifications: Condition: 100% Brand New and High Quality Material: Plastic LED Light Color: Blue, Green, Red, Orange Power Supply: 3 x AAA Batteries (not included) Size: Approx. 16*9*2.3cm/6.29*3.54*0.90'' Speed Limit: over 20km/h Package Weight: Approx. 83g Packing List: 1 x 32LED Wheel Light Note: Please notice that the battery is not included. Diameter of your bike wheel should be over 20''. Package List