FAQ

As soon as it is dark enough and the movement sensor senses movement, the light turns immediately on. The Auto version of… READ MORE
The green light is a low-battery indicator. It is signalling with green light when the batteries should be exchanged. READ MORE
All Herrmans dynamo and e-bike rear lights are equipped with a rectifier, so you don’t need to pay attention to the polarity… READ MORE
All Herrmans e-bike front lights for 6-12V deliver the same light output on both 6V and 12V. The electrical power is also… READ MORE
All Herrmans dynamo and e-bike rear lights are equipped with a rectifier, so you don’t need to pay attention to the polarity… READ MORE
HERRMANS® is a company based in Finland which designs and manufactures grips, lights, chain guards, reflectors and rim tapes for the bicycle… READ MORE