with means for conducting heat from the inside to the outside of the lighting devices, e.g. with fins on the outer surface of the lighting device

Full Title

Arrangements within vehicle lighting devices specially adapted for vehicle exteriors, for purposes other than emission or distribution of light > Cooling of lighting devices > Passive cooling, e.g. using fins, thermal conductive elements or openings > with means for conducting heat from the inside to the outside of the lighting devices, e.g. with fins on the outer surface of the lighting device