Features 1、Excellent Plastic: These bike wheel lights are made of environment friendly plastic material, with IP67 waterproof, and can withstand drops from 10 meters high, allowing you to ride fearlessly on rainy nights. 2、Long Lasting Endurance: With stable lighting modes and built in battery design, each bike wheel decor light can run for over 50 hours before battery replacement, which is efficient and practical. 3、Colorful Patterns: Bike wheel lights will illuminate your bike with vibrant circular patterns when opened and riding at speeds of 18 mph, making it a perfect gift choice for your friends and family members. 4、High Visibility: Increase visibility from all directions with bright bike spoke lights, ensuring security for you and your loved ones when riding in low light conditions. Car drivers will not miss you whether you are moving or stationary. 5、Convenient and Practical Design: Bike Wheel Lights come with built in battery(6 x 3V CR927 button cell) for easy installation and use. Brighten up your bike and ride in appearance with these wheel lights. Specification Item Type: Bike Wheel Lights Product Material: Plastic Use: Our bike spoke lights provide you with higher visibility from all directions, making you and your loved ones safer when riding in low light conditions. With our bike lights, your bike will stand out from all angles, ensuring that you are not missed by car drivers whether you are stationary or in motion. Battery: 6 x 3V CR927 Button Cell (built in) Single Battery Capacity: 30mAh Package List 6 x Bike Wheel Lights