Input Voltage : AC220 1phase Input Power : 3.2 KVA Open Curcuit Voltage : 70V Welding Current : 5-160A Current Up-Slope&down-slope : 0-5s Gas Flow Time : 0-10s Pulse Frequency : 0.5-25Hz Pulse Width : 0.1 - 0.9 Duty Cycle : TIG/MMA 35% Dimension : 305x165x256