Non-HF Start, comes without interference and is safe and ideal for general use, friendly to the surrounding electrical machine and human health.Non-touch pilot arc technology allows to cut without touching the tips to the metal. Better cutting quality and longer consumable life.Built-in post flow, when stop cutting, the air runs on to cool the consumable of the plasma cutter torch to extend consumable life.Up to 50A output current can cut maximum 1/2 ideal clean cut. Suitable for stainless steel, alloy steel, mild steel, copper.Equipped with digital display and regulator in front of the panel, read the air pressure value and current easier. 50A Non High Frequency Plasma Cutter Non-Touch Pilot ARC 110/220V Dual Voltage Cutting Machine