Description The 128 bright RGB color LED. Support DIY editor, users can import, edit pictures. The double-sided display, 15km/h display complete pattern. The waterproof grade: IPX6, can be soaked in water use. It adopts 18650 rechargeable battery, can be used continuously for 15 hours or more. It is suitable for not less than 26 inch wheels (long 505mm) Additional Details Product Color May Slightly Vary Due to Photographic Lighting Sources or Your Monitor Settings