Features Intelligent control: Built-in laser intelligent application system allows even beginners to operate easily, making welding simple and efficient Say goodbye to welding troubles: High-power manual soldering machine heats up in just 3 seconds, significantly increasing soldering speed Welding, cutting, and rust removal 3 in 1: Combines welding, cutting, and rust removal functions in one device, suitable for various metal materials and industrial applications, meeting diverse usage needs Ergonomic design: Comfortable handle with ergonomic design ensures easy and stable one-handed operation, reducing user fatigue and enabling quick learning for beginners Wide application: Multi-function soldering iron kit ideal for circuit board welding, appliance repair, jewelry making, metal crafting, computer work, and DIY projects. Suitable for beginners, welders, household use, and welding training Notice: 1. Actual color may vary slightly from the image due to different lighting conditions 2. Please allow 1-3 cm deviation due to manual measurement Wire diameter: 0.8-1.2mm Package: 5 pcs/set Package list: 1 set multifunction soldering iron