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-15.75" W-15.75" D-7.35" MAX WATTS: 400W HPS OR 400W MH VOLTAGE 120/208/240/277V