Fortunately, the three small round batteries included right here.

Fortunately, the three small round batteries included right here.
They are inserted quickly and there are several lighting modes. A real radiator which also leichtet very far into the undergrowth, two less powerful variants and then the SOS variant.
The head strap is adjustable and keeps excellent especially then when to come first beads of sweat.
A brief description is in English only here, but in a little thinking along, it does not rely on this description.
I'm very satisfied with this light!