FeaturesPerimeter lighting for safety and securityBorosilicate glass refractor softens lamp image and provides uniform distribution - 4 times spacing to mounting heightCast aluminum frame holds lens and seals to housing gasket with two stainless steel screwsDoor assembly hinges to side on mid-size unitsHinges down on large unitsCast aluminum housing with 1/2 in conduit entries, button photo control can be field installedAll units have dark bronze powder paint finish, Quad-Tap® ballasts and lamps included60 Hz frequencyGlass refractor