A chic design at a reasonable price: the CURVE rear light with its extra-long burn time (29 hours) has unrestricted StVZO approval and will spice up the rear of your seat post with sporty aesthetics. The batteries can be easily replaced.Key Features Burn time: up to 29 h Beam range: 400 m Side visibility Battery indicator Weight: 27 g (incl. bracket) Tool-free mounting StVZO approval Splash resistant in accordance with IPX4Whats included Light 2 x AAA Alkaline batteries