Usage Tips:Features Intelligent control: Built-in laser-guided application system allows for precise operation, making welding simple and efficient, even for beginners Fast heating: High-power manual soldering iron heats up in just 3 seconds, significantly improving soldering speed and efficiency 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 with user-friendly grip enables stable one-handed operation, reducing fatigue and enhancing control Wide application: Ideal for circuit board welding, appliance repair, jewelry making, computer maintenance, and DIY projects. Suitable for beginners, hobbyists, household use, and professional training Notice: 1. Actual color may vary slightly due to lighting conditions 2. Please allow 1-3 cm variation due to manual measurement Wire diameter: 0.8-1.2mm Package: 5 pcs/set Package List: 1 Set Multifunction Soldering Iron