See and be seen with the powerful, USB-rechargeable TigerMoth 500-Lumen headlight. Features a compact design, alloy construction, and universal tool-free bracket for mounting on bars, stems, or helmets. USB-rechargeable (charging cable included) Universal tool-free attachment Runtime varies from 1–8 hours depending on one of five lighting modes Output: 500 lumens Extra mounting brackets sold separately Mode memory: light automatically lights up in the last mode used Auto mode: TigerMoth 500 will automatically adjust brightness based on ambient light