By utilizing the latest advancements in LED technology, the L41LED uses only a fraction of the energy of a quartz halogen or incandescent dock light while providing a bright, uniform light to fully illuminate even the longest of trailers. The light gives off almost no heat, meaning a much safer light with little or no maintenance. Heavy duty enough to withstand the rugged environment of a typical loading dock area, the L41LED has what it takes to ensure you can get your job done safely and efficiently. Comes with 40" tubular extension arm with five pivot points and mounting hardware.