This Simson Battery luggage rack taillight 'Cliff'' is part of the Simson Premium line, which consists very high quality products. The highly efficient red LED provides a bright beam of light and a good visibility, even on the sides of the bike. This light has a burning time of up to 60 hours! This light is 100% splash and rain water proof for an optimum service life. The distance between the screws is adjustable between 50 mm and 80 mm. The taillight has an ON / OFF switch. Including batteries: 2 x AAA.