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