Fashionable and cool LED Bike spoke light!Cool Bike Spoke LED light with 40 graphic patterns and 5 messages will make you a biking attraction. It also shows the riding time in: hours, minutes, seconds and the number of riding cycles. It needs to be installed on the bike’s spoke.Features:Fit on bike with a wheel diameter of 20″ or greaterWaterproofShuts Off Automatically14 blue LED lightsInstall on the front or back wheelDisplays Time Riding  Wheel RotationsDisplay sequence: Message, Patterns, Time of Riding, Number of Rounds, Patterns.40 design patterns and five word patterns, patterns change every three secondsLED lights will keep blinking for two minutes after wheel has stoppedFinal light will turn off completely in approximately three minutes after wheel has stoppedRequires 3 x AAA batteries (sold separately)Packed with User manual (English) + Sensor unitColor: OrangeProduct Size: 13.5x5.2x2.4CMShell material: ABS PlasticLED Lights: 14PCSwww.liwin-china.com