GTUBIKE Bike Wheel Hub Light Colorful LED Bicycle Flower Drum Lamp Waterproof Cycling Warning Decoration Night Riding Equipment

Specifications: Applicable diameter: 7.5-14in/ 19-36mm.Size: diameter 3.7in/ 9.5cm, width 0.7in/ 1.7cm.Battery: built in battery.Enhance time: 12 h.Installation part: bike wheel hub.Lighting: 4 colors in 1, 12 models.Weight:45g Features:Waterproof, can work in rainy day.Easy to install and remove.Not only for decoration, but also for warning.With high visibility LED lights make your riding safely.Install in the center of the bike hub, will not affect the gravity. Packege1 x bike hub LED light