The bike wheel light is special designed for bike decoration and safety cycling. Perfect safety and decoration lights for almost all bikes including Road Bikes, Dirt Bikes, , Hybrid Bikes, and even for children bikes. Feature - ColorRed - Material: PC. - Size: 15x9x1.3cm. - Battery type:3xAAA. - : 12h. - The Product is consist of 16 pcs LEDs. - Pattern is clear and completely when 25-30kms/hour. - It can flash 32 different kinds of patterns,patterns will . - : Equipped with manual and sensor . - Fast and Easy Installation - select appropriate sized hub pad (included) to the inner ring of the light. Encircle the light in the center of the hub, and then buckle up. No need for tools. - Rechargeable - powered by Li-Battery, the wheel light could work continuously for 12 hours, save you from changing batteries all the time. Package list: 1 Light