Front light Author, handlebar fixation, 3 LED "Hi-Intense" and lens technology 'FocusLens' for high power light output. Constant and flashing mode. New universal handlebar bracket with elastic strap allowed to fit light on all diameters and shapes of handelbars. Power source: 3xLR03 batteries (included). Effective, strong light with long battery life (160 hours flashing and 80 hours constant light).