Features of the Sigma Sport front light AURA 30 Illuminance: 30 lux Light range: 40m Burn time: up to 15h in ecomode Splashproof according to IPX4 Tool-free assembly easy battery change and battery indicator StVZO approved Features of the Sigma Sport tail light CURVE StVZO approved 400m visibility Battery life: 29 hours Tool-free mounting with flexible silicone straps Battery indicator Can be mounted parallel to the seat post Splashproof according to IPX4