1) Moving Coil type transformer; Suitable for 220V/380V AC Supply. 2) Compact, Light, Easy to carry, and suitable of mobile, go out and small-scale construct busywork. 3) Provided with automatic temperature protector and air-cooling unit, and highly effective and safe. 4) Suitable for welding low carbon steel, low alloy steel etc materials. 5) Comply with CE Certificates.