The KTV Drive Pro Rear is a compact, aero post compatible bike light providing up to 75 lumens and five output modes. It offers up to 19.5 hours of max runtime as well as a visibility-focused Daytime Flash mode. Its co-molded construction is super light, durable, and holds an IPX7 waterproof rating. The light utilizes our Wide Angle Optics lens design to provide 270° of visibility, and an integrated USB stick allows convenient cable-free recharging.