Bulbs: 1200W short-arc discharge gas bubble Lampholder: GY-22 Available models: PHILIPS MSR 1200SA Control: Automatic and renoted on/off Rectifier: Eletromagnetic ballast Source: 208/23/250V, 50Hz 208/230V, 60Hz Power: 1500W, 220/50Hz The largest: Environmental temperture: 40(104) The largest surface temperture: 135 degree(275) Size: L619times; W536times; H616mm N. W: 50KG G. W: 83KG(including aviation box)