High visibility for added safety comes courtesy of these LED front and rear lights. Ride with confidence thanks to 25 lux of lighting power and German road traffic regulation (StVZO) certification. The RFR Light Set Tour 25 USB is a cinch to recharge via USB and comes with a burn time of 2.5 hours. Not only that, it's quick and easy to attach without the need for tools. Includes USB charging cable.