The KTV Drive StVZO Rear is a compact, high visibility safety light. The German StVZO optimized lens controls light output direction, and two LEDs offer 11 lumens of output. Side Visibility cutouts provide 180 degrees of visibility. The light is built from durable, waterproof construction featuring a unique aero and round post-compatible design. An integrated USB stick is built into the light for convenient, cable-free recharging.