Features Intelligent control: Built-in laser intelligent application system allows even beginners to operate easily, making welding simple and efficient Say goodbye to welding troubles: High-power manual soldering iron heats up in just 3 seconds, enabling soldering speeds up to 10 times faster 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 for easy and stable one-handed operation, reducing fatigue and allowing quick learning for beginners Wide application: Multi-function soldering iron kit ideal for circuit board welding, appliance repair, jewelry making, computer work, and DIY projects. Suitable for beginners, welders, household use, and training purposes Notice: 1. Actual color may vary slightly from the image due to lighting differences 2. Please allow 1–3 cm deviation due to manual measurement Wire diameter: 0.8–1.2 mm Package: 5 pcs/set Package list: 1 set multifunction soldering iron