This moon meteor front and comet rear light set features the powerful meteor front bike light with the comet rear light together they make a powerful duo that is ideal for mountain and road use the meteor uses a cree xpg led light which has an out put of 210 lumen and has up to seven hours battery life on flashing mode and just shy of two hours when on constant full beam the front bike light uses a high precision optical lens for perfect projection and features a full char