Housing: Die-cast and extruded aluminum. External Screws: Stainless steel.Lens: Clear polycarbonate.Gaskets: One piece silicone.Finish: Silver powder coated RAL9006 or black powder coated.Drivers: HPF electronic, 120/277V. 0-10V dimming.Cable entry: M20 cable gland.Mounting: Anchorage rods required for concrete. Approval: ETL for wet locations, IP65