Use condition:
 surrounding temperature: -10℃~40℃
 Altitude: ＜1000m
 The content of dust, acid, corrosive gas in the air should be in normal value
 Don’t use long time in salty air
 Voltage waving of power supply cannot over 10%
 Environmental wind power less than 1.5m/s
 Don’t’ use in the rain.

Features:
 High quality and stable performance
 Applicable for welding Low-carbon steel, high-tensile steel, medium-carbon steel, low-alloy structural steel
 Stepless current adjusting with over-heat protection function
 Portable design with small size and light weight.
 Suitable for family and simply repair using