Machine features: Easy operation, light weight and easy portability Stable arc, convenient control of welding pool depth Ability to connect to a generator Advanced inverter technology, multifunction Suitable for welding thin plates, hard and delicate work Constant welding current, very low welding sound, low welding spray Low power consumption up to 75% compared to other similar devices Suitable for welding all types of electrodes:      Model 180 Power Voltage (V) 220 Input Voltage frequnency (HZ) 50/60 Max input power (KVA) 5.3 Efficiency (%) 85 Duty Cycle (%) 60 Max No load Voltage 76 Current range (A) 30-180 Max Current (A) 140@60% Useable electrode 1.6~3.0 Instalation class F Protection class IP21S Weight (KG) 7.5