Description: Design: This bicycle generator light set features a simple and stylish design,making it an ideal fit.Material: This dynamo bicycle light set is made of metal and PP material, which is sturdy and can work normally in various harsh environments.LED: This bike light set features LED bulbs that provide ample illumination to ensure your security while riding at night.Lightweight and Portable: The bike light fixtures are lightweight and portable, adding no extra burden to your bike and making them easy to carry around.Easy Installation: The installation process is simple and convenient, requiring no complicate tools. This makes it suitable for all types of bicycles. Specification: Material:PP and Metal Size Chart: Package Size 12cmx10cmx6.5cm/4.72inchx3.94inchx2.56inch Package Includes: 1 Set 6V 3W Bicycle Generator Light Accessories Note: Please allow slightly errors 1-2cm differences due to manual measurement.