【20-120 Amp welding output】The handheld welding machine has a welding output of 20-120 amps, which can adjusted through a simple knob design, with 6-stage current regulation, instant arc start, and non-stick welding rod. Simple operation, easy to use 【Supports 3/32"-1/8" size welding rods】This portable welding machine is hand-held, suitable for 1/6"-1/8" welding rods. And it is equipped with a hot arc start function. It is very helpful when starting the arc, making it easier to start the and the weld is more beautiful. 【One-handed operation】 The portable welding machine weighs only 3.2 pounds, making it an ideal choice for high-altitude work. It can easily operated with one hand, allowing you to experience the convenience of a lightweight machine. 【Wide application】The hand-held welding machine can be used for car repair, mechanical manufacturing, home fence maintenance, ironwork processing and hardware,. Whether you are a beginner or an experienced welder, it can be easily used to meet your various needs.