Description: 1. waterproof design: this is IPX6 waterproof design, and it is fine to soak in water, so there is no fear of rainy and foggy weather. 2. Light color: 5 kinds of monochromatic lights and one kind of colored lights, which can be selected according to one's own preference. 3. Power supply: There are two charging methods, one is battery and the other is rechargeable. The battery is equipped with a battery, and the rechargeable battery comes with a charging socket, which is convenient for charging and does not require an extra charger. 4. Installation: This model is installed on the wheel axle, not the wheel hub, which will not affect the center of gravity, and is not afraid of riding at high speed. 5. Two-gear mode: long light mode and flash mode. Specifications: Products: bicycle and motorcycle wheel lights Colors: red, blue, green, white, pink and colorful Material: ABS copper Size: 75*32MM Mode: Long light, flash Power supply: USB charging Filament: 2m Power supply duration: USB charging model: always on for 20 hours, flashing for 40 hours; Package Included: 1* wheel lights