Extra-bright bike light with 5 white Nichia eXtreme v2.0 LED bulbs * 4 times brighter than many earlier LED lights for brighter illumination * Easy-to-use Quick Cam bracket mounts, adjusts, and removes in seconds * Offers flashing and steady modes; runs for up to 100 hours on 2 AA batteries * Fits 25.5 to 31.8 mm handlebars; backed by limited lifetime warranty