Features: Intelligent control: Built-in laser intelligent application system allows even novices to operate easily, making welding simple and efficient. Say goodbye to welding challenges: High-power manual soldering machine heats up in just 3 seconds, enabling significantly faster soldering performance. Welding, cutting, and rust removal 3-in-1: Combines welding, cutting, and rust removal functions in one versatile unit, suitable for various metal materials and industrial applications. Ergonomic design: Comfortable handle with ergonomic construction allows stable one-handed operation, reducing user fatigue and enabling quick learning for beginners. Wide application: Multifunction soldering iron kit ideal for circuit board welding, appliance repair, jewelry making, metal crafts, computer maintenance, and DIY projects. Suitable for beginners, welders, household use, and training purposes. Notice: 1. Actual color may vary slightly due to lighting effects. 2. Please allow 1–3 cm deviation due to manual measurement. Wire diameter: 0.8–1.2 mm Package: 5 pcs or Set Package list: 1 Set Multifunction Soldering Iron