Product Features 100% Brand new and high qualityThe product is consist of 14 pcs colorful LEDs.It can flash 30 different patterns，and the patterns will be changed every 4 seconds.Patterns is clear and completely when speed up to 20kms/hrEquipped with light sensor and movement sensor，flash only at night and actionIt will not work and save power when not ridingBattery: Operated by 1x AAA(NOT included)，could be max to 12hrs when it works. Package includes 1x Spoke LightNOTE:As the effect varies from monitor to monitor， there is irrevocable slightly difference in colors between the color showed on your monitor and the real one， So if dear you can not accept this very little difference， be cautious before you making the orders.thanks for understanding.