Features: Intelligent control: Built-in laser guidance system for precise application, enabling even beginners to operate with ease, making welding simple and efficient. Fast heating: High-power manual soldering iron heats up in approximately 3 seconds, significantly improving soldering speed. 3-in-1 functionality: Combines welding, cutting, and rust removal in one versatile unit, suitable for various metal materials and industrial applications. Ergonomic design: Comfortable handle allows for stable one-handed operation, reducing user fatigue and supporting quick learning for beginners. Wide application: Ideal for circuit board welding, appliance repair, jewelry making, metal crafting, computer maintenance, and DIY projects. Suitable for beginners, hobbyists, professionals, and training purposes. Note: - Actual color may vary slightly due to lighting conditions. - Allow 1–3 cm variation due to manual measurement. Wire diameter: 0.8–1.2 mm Package quantity: 5 pcs/set Package contents: 1 set multifunction soldering iron