Rockbros Cycling Front Light 3000 Lumen

Exceptional Brightness Delivers up to 3000 lumens when both the high and low beams are activated, offering broad, long-range illumination for safer night riding. Massive 10,000 mAh Battery & Power Bank Function Equipped with dual 21700 lithium batteries providing up to 30 hours of runtime on the lowest setting. Features a tail output port that lets you use the light as a mobile power bank for your devices.