The Meteor & Ring front & rear light set from Moon supplies you with 400 lumens of output at the front & up to 50 lumens at the back. Moon Meteor C1 Rechargeable Front Light Moons new Meteor C1 possesses many of the great features that many of Moons high end lights have, delivering 400 Lumens of output in its compact package. The fully USB (Universal Serial Bus) rechargeable Meteor C1 is powered by a ETI-3232 LED that features a high precision optical lens, is a robust & versatile front light. Weighing in at just 65.7g, the Meteor C1 features Dayflash Mode as well as low battery, charging & fully charged indicators, allowing you to track your charge & remain in control. Moon Ring Rechargeable Rear Light Weighing in at just 0.1 Kg, the Ring is the perfect commuter rear light. Firing out up to 50 lumens of output & featuring 7 light modes, the Ring possesses runtimes from 90 minutes to 19 hours depending on the mode selected.