White powder-coated steel housing. Wire cable hangers included with every fixture. You can choose to hang horizontally or vertically. Run on 120 volt power only. Louvered on sides for cool operation. Slots on top of fixture for convection cooling. VHO lamps offer 7,200 lumens - 95 watts each. 3000°K (red) VHO lamps can be purchased separately (#901480). Do not use HO lamps with VHO fixtures. No mix or matching for pallet pricing. One year warranty on lamps.