Hella has transferred EdgeLight technology from the automotive sector and then applied for patent approval for the optical warning system segment. The light emerges from a narrow, 8mm-high light band instead of through a dome. Whether it’s trucks and trailers, agricultural and forestry machinery or municipal vehicles, out in the fields, on the construction site or along the road are exposed to a great diversity of weather conditions, the light from the LED the light from an LED is coupled into the back of the light guide and emitted uniformly over its entire length by means of total reflection through the light guide. This then generates a long-range warning signal. With protection class IP6K9K.