The Femto USB Rear StVZO is the German market equivalent of our popular minimalist taillight, the Femto USB Rear. The StVZO optimized lens offers 270 of visibility, and a high performance LED delivers eight lumens and up to eight hours of runtime. The lightweight and compact co-molded construction is IPX7 waterproof. The light comes with a versatile and secure mounting strap and is micro-USB rechargeable.