Usage Tips:External Heat/Internal Heated Industrial Laser Tools Welding Kit,MultiFunction Soldering Set,Electric Welder1. Industrial Laser Welding KitBuiltin intelligent temperature control system ensures precise welding performance for beginners and professionals, eliminating guesswork during metal joining tasks2. Triple Function VersatilitySeamlessly switch between welding/cutting/rust removal modes, 1 machine for multiple uses, suitable for a variety of metal materials and different industrial scenes, meeting a variety of usage needs3. Workspace Visibility UpgradeSide inspection window allows realtime monitoring of tip temperature and operation status for enhanced and process control4. Engineered for ComfortContoured antislip handle enables singlehanded operation with reduced fatigue during extended projects ideal for overhead or confined space work