Features: Surface ceiling mount nominal 17"W×17"W×9"D Semi-shaded visor One-piece heavy duty die-cast housing UV-stabilized, injection molded polycarbonate lens Stainless steel Torx® fasteners Application(s): Parks and Recreation Multifamily Housing Walkways Stairwells Schools and Universities Exteriors and Entryways Lens Type(s): Clear Prismatic Polycarbonate Pearlescent Polycarbonate Lamp Type(s): Induction CFL HID Size(s): 12"×12"