Does not support 110V. Voltage: AC 220V ± 15%. Rated power: 3.8KW. Useable electrode diameter: 1.6-3.2mm. Can be long-term welding electrode diameter: 3.2mm. Suitable material: stainless steel / carbon steel / low alloy steel. Recommended welding plate thickness: 2 – 8mm. Quick copper connector: yes. Applicable electrode model: ordinary J422, DC J506/J507, stainless steel A102, pig iron Z208. Power line diameter: 2.5mm². Machine size: 226 95 126mm. 1 x Handheld Mini Electric Welder Took Kit.