WALL OR CEILING SURFACE MOUNT HID LIGHTING. CONSTRUCTION: HEAVY DUTY DIE-CAST ALUMINUM HOUSING WITH HIGH IMPACT/HEAT RESISTANT . BOROSILICATE GLASS IS HINGES AND REMOVABLE. ONE PIECE ANODIZED ALUMINUM DESIGNED REFLECTOR. UL LISTED FOR WET LOCATIONS SIZE : 18.74" X 17.8" D-13.58" MAX WATTS: 400W HPS OR 400W MH VOLTAGE 120/208/240/277V