Features Intelligent control: Built-in laser intelligent application system allows even novices 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 provides stable one-handed operation, reducing fatigue and enabling quick learning for beginners Wide application: Suitable for circuit board welding, appliance repair, jewelry making, computer maintenance, and DIY projects; ideal for beginners, welders, household use, and training purposes Note: 1. Actual color may vary slightly due to lighting effects 2. Please allow 1-3 cm variation due to manual measurement Wire diameter: 0.8-1.2mm Package quantity: 5 pcs/set Package contents: 1 Set Multifunction Soldering Iron