The AURA 30s 30 lux and 40-metre range makes it the perfect bike light for daily use in city traffic. It has StVZO approval and two light modes. Children and those who bike only occasionally appreciate its easy handling, long burn time, and simple battery replacement.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 (AURA 30) Burn time: up to 15 h Effectiveness: up to 30 Lux Beam range: 40 m Weight: 68 g (incl. bracket) Side visibility Click switch Battery indicator Tool-free mounting StVZO approval Splash resistant in accordance with IPX4Key Features (CURVE) 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 AURA 30 CURVE 2 x AA Alkaline batteries 2 x AAA Alkaline batteries