FRONT: 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 by 2.5 hours for up to 20 hours. Charging is simple with an integrated cable-free USB stick. Its available in five colors (Black, Silver, Red, Blue, Purple) and securely straps to a variety of handle bar shapes and sizes. REAR: Compact, aero-post compatible safety light featuring a Daytime Flash mode. Its co-molded construction is super light, yet durable and has an IPX7 waterproof rating. NEW -- Up to 19.5 hours of runtime (6.5 hour increase) with highly improved optics. Its Wide Angle Lens offers over 270° of visibility. The KTV Drive Pro Rear provides up to 75 lumens (Daytime Flash) and five output/flash modes. And it features an integrated USB stick for convenient cable-free recharging. Also availa