"Inverter technology with IGBT" Voltage input: 1-220–240V 50/60 Hz is the frequency. Current output: 15–180A Duty cycle: 40% at 180 A LED screen Voltage at no load: 85V Maximum current output: 180A Electrode diameter: 1.6–4.0 mm Hot start, anti-stick, and arc-force One electrode holder, complete with cable One earth clamp per cable unit One portable strap, one helmet, and one wire brush enclosed in a color box.