Materials and features: Operating voltage: 110-130V/60Hz; 220-240V/50Hz Watt: 400W Material: Die-casting aluminum Dimensions: ?20 x 375mm Finishes: white, black IP Rating: IP65 convenient to replace bulbs through the forepart Place to be used: Can illuminate at sculpture, building and so on . NO: OFY55-1 1) Dimensions: ?78 x 260mm 2) Lighting source: 175W HPS or metal halide lamp NO: OFY75-1 1) Dimensions: ?75 x 490mm 2) Lighting source: 1000W HPS or metal halide lamp