100% brand new and high quality.Increase road safety and make your bicycle cool when driving at nightUltra-high bright, wide beam, long-span led lampAll the sustainable use of light 30 hoursScintillation sustainable use of 130 hoursWater resistant design3 modes: fast flashing, slow flashing and longtime lightOne-Touch switch design, easy operationCan be mounted on handlebar, seat, helmet, wheel, hub, etc.