DetailsHeadlamp:~ eXtreme 2.0 LEDs. 4 white LEDs make you visible and illuminate your way. Flashing, Low (2 LEDs) or High (4 LEDs) settings. Mounts to handlebars, helmet, or head in seconds! Includes handlebar mount, helmet strap and head strap. Up to 100 hours run time on 2 AA batteries (included).