... compact size and Weight, easy to carry.Stable and reliable welding current ItemTIG-140ATIG-160ATIG-180ATIG-200ATIG-250AInput voltage(V) ±10 ... compact size and Weight, easy to carry.-Stable and reliable welding current.-Low No-load loss, low energy consumption -Applicable for ... welding of ferrout-metals, medium carbon steel and alloy Steel, etc ...