The Lezyne Hecto Drive 500XL Headlight is a compact durable cycling light with a machined aluminum body. It features built in cooling fins and cutouts for side visibility. Its single LED design provides up to an impressive 500 lumens of output and eight output modesincluding a Daytime Flash mode. Runtime has increased to 20 hours. Charging is simple with an integrated cable-free USB stick. Its available in multiple colors and securely straps to a variety of handle bar shapes and sizes.