Features: Intelligent control: Built-in laser intelligent application system allows even beginners to operate easily, making welding simple and efficient. Say goodbye to welding challenges: 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 iron welder kit ideal for welding circuit boards, appliance repair, jewelry making, metal crafting, computer work, and DIY projects. Suitable for beginners, welders, household use, and training for welding engineers. Note: 1. Actual color may vary slightly due to lighting effects. 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