Specification Power: 230+-15% Frequency: 50/60Hz No-Load Voltage: 65.9V Welding Current: 30-160A Input Voltage: 5KVA Duty Cycle: 80% Insulation Class: F Protection Class: IP21 Weight: 3.65kg Diameter of rod: 2.5mm-30pcs/3.2mm-10pcs(36°C) Feature --Use IGBT technology,greatly improves the reliability of the machine --High duty cycle, greatly improves the efficiency of welder, energy saving --Small size,stable and durable quality --Easy to start arc, little spatter, and good formation --Stable welding current in spite of input voltage fluctuation --Acid and basic electrodes are usable --High no load voltage, strong arc force --Widely used in indoor decoration, and high working places jobs FREE: -1.5m earth cable -2m electrode option: Welding rod or without welding rod