SURFACE WALL MOUNT HID LIGHTING. HEAVY DUTY DIE-CAST ALUMINUM HOUSING WITH HIGH IMPACT/HEAT RESISTANT BOROSILSCATE GLASS FOR ULTIMATE LIGHT DISTRIBUTION. BOROSILSCATE GLASS IS HINGED AND REMOVABLE. ONE PIECE ANODIZED ALUMINUM DESIGNED REFLECTOR. UL LISTED FOR WET LOCATIONS SIZE : H-9.843" W-17.795 D-9.449" WATTS 250W HPS OR 250W MH VOLTAGE 120/208/240/277V ?