Lezyne KTV Drive Pro 300+/Ktv Dr+ Headlight and Taillight SetCompact yet powerful rear light that ensures optimal visibility and safety on your rides With a maximum output of 40 lumens, an impressive 45 hour runtime in Femto mode, and six different output modes, including Daytime Flash, this rear light provides reliable illumination The unique design is compatible with aero and round seatposts, ensuring versatility for various bike setups Utilizes our Wide Angle Optics lens design to provide 270 of visibility,