Features: Intelligent control: Built-in laser intelligent application system, allowing even novices to operate easily, making welding simple and efficient. Say goodbye to welding challenges: This 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 an ergonomic shape for stable single-hand operation, reducing 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 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: 0.8–1.2 mm Package: 5 pcs or set Package list: 1 set multifunction soldering iron