Planet Bike Rojo 100 Taillight. Features: Designed to keep you safe and visible on every ride both day and night. Packed with up to 100 lumens of power so you'll be sure to be noticed on your daytime rides and commutes whether you're on the road, bike path, or turning the corner downtown Light range varies from steady, pulse, Courtesy, and Superflash modes USB rechargeable in 2.5 hours Includes bike mounts and charging cord Specs: Model:Rojo 100 Lumens:100 Modes:4 Rechargeable:Yes Color:Red/Black Weight:48g