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.Key Features 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 IPX4Whats included Light 2 x AA Alkaline batteries