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: PlasticLED 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. 83gPackage List:1 x LED Bike Wheel LightTips: Due to manual measurement, there may be some errors, please allow 1-3cm (1 cm = 0.39 inches).difference, thank you.Because the spotlight and different people have different understandings of color, there may be a certain color, but within a reasonable range, please choose carefully.If you need other styles, please contact me, our store has a variety of styles and colors, you can view my store.