Features: Intelligent control: Built-in laser intelligent application system, allowing even beginners to operate with ease, making soldering simple and efficient. Fast heating: High-power manual soldering iron heats up in just 3 seconds, significantly increasing soldering speed. 3-in-1 functionality: Combines welding, cutting, and rust removal; one machine for multiple uses, suitable for various metal materials and industrial applications. Ergonomic design: Comfortable handle designed for easy one-handed operation, stable and labor-saving; ideal for both beginners and experienced users. Wide application: Multi-function soldering iron kit used 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 from the image due to different lighting conditions. 2. Please allow 1-3 cm deviation due to manual measurement. Wire diameter: 0.8–1.2 mm Package quantity: 5 pcs/set Package contents: 1 set multifunction soldering iron