Bike light with innovative Cree XPG LED technology for 350 lumens of illuminating power * Quick-release internal lithium ion battery stick lets you swap out batteries on the fly * Wall charger compatible with 100V to 240V for use worldwide; also supports USB charging * One LED bulb with 350 lumens; five-hour charge time; 130-gram weight; run time up to 24 hours * Includes limited one-year manufacturer"s warranty