Sport DirectTM Bicycle Bike Secu Sport Dynamo Front Light 25 Lux Conforms To British Standards BS6102/3 and StVZO German Standards Front Dynamo LED Light. Powered By Dynamo Setup Not By Batteries. Conforms To British Standards BS6102/3 and StVZO German Road Traffic Standards Intergrated Reflector, Standlight Function For 3 Minutes Dual Cable Connection, Brightness 25 LUX On/Off Switch