Miller Maxstar 150 STL TIG/Stick Welder, input voltage 115/230 VAC, output range 5-150 A, duty cycle 30% at 150 A (115V) / 20% at 150 A (230V), weight 13.7 lbs (6.2 kg), dimensions 13.2 x 5.5 x 9 inches (33.5 x 14 x 22.9 cm), Fan-On-Demand cooling system, 1-Phase input power, portable, Multi-Voltage Plug (MVP), Adaptive Hot Start.