Features: Intelligent control: Built-in laser guidance system for precise application, enabling easy operation even for beginners, making welding simple and efficient. Fast heating: High-power manual soldering iron heats up in just 3 seconds, significantly improving soldering speed. 3-in-1 functionality: Combines welding, cutting, and rust removal in one versatile tool, suitable for various metal materials and industrial applications. Ergonomic design: Comfortable handle allows for stable one-handed use, reducing fatigue and enabling quick learning for beginners. Wide application: Ideal for welding circuit boards, appliance repair, jewelry making, metal crafts, computer repairs, and DIY projects. Suitable for beginners, hobbyists, household use, and professional training. Note: 1. Actual color may vary slightly due to lighting effects. 2. Please allow 1–3 cm variation due to manual measurement. Wire diameter: 0.8–1.2 mm Package: 5 pcs/set Package list: 1 set multifunction soldering iron