high bay lighting fixture 1) Operating Voltage: 220-240V/50HZ(high bay lighting) 2) Max Watt: 125-400W 3) Lamp:metal halid lamp (E40 ) high pressure sodium(E40 ) 4) Die-casting aluminum gear box which is tenacious andgood at dispelling heat 5)Reflector made of highly pure aluminum can be matched with prismatic lampshade 6) Heatproof silicon rubber gasket, toughened glass that is extremelyendurable,and stailness steel buttons are assembled together as the protective screen which is reasonable in sructure 7) Compact in configuration, compelling in appearence, andcapable of warding off water and dust 8)suitable places for application: factory workshops, shopping malls, gymnasiums, spacious halls, warehouses and etc.