SIGMA Aura 60 Front Light & Nugget II Rear Light Set Compact and powerful, the SIGMA Aura 60 Front Light delivers a maximum 60 LUX for optimum lighting, whether riding in the city or off-road. The Aura 60 uses three lighting modes- ECO, Mid and Standard and is charged via an integrated USB port. With a luminous range of 70m, water spray protection and tool-free assembly, the Aura 60 is a versatile light that packs a real punch. The Nugget II Rear Light is small and equally powerful, providing 400m of visibility, lateral visibility to ensure you are seen by other road users and a burning time of 6 hours. The light is held in place with a flexible silicon holder and charged via an integrated Micro-USB.