Bush + Müller light checker
The Bush + Müller light checker attaches to your Dynamo light to check that it works
The light checker has a 6v DC battery and you connect the checker to your Dynamo using two cables that have little hooks, these are pushed out using the end of the handle. The cables are coloured red (+ rot) and black (- schwarz)
Modes:
On (Eln) - to light the light / check it works
Off (Aus) for storage
Colour: Black
The light checker is CE marked