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. The KTV Rear Light is a compact aero-post compatible safety light with two bright LEDs. It features a super lightweight yet durable co-molded construction that is IPX7 waterproof rated. Up to 20 hours of runtime seven hour increase with highly improved optics. Its Wide Angle Lens offers up to 270 of visibility. The KTV Drive rear provides up to 10 lumens and five outputflash modes. And it features an integrated USB stick for convenient cable-free recharging.