110V-120V hot staples with 110V-120V soldering iron. the plastic welding gun repairs plastic cracks and the soldering iron takes care of smoothing plastic scars. The kit will reach a maximum temperature of 525 degrees Fahrenheit within five minutes of being powered on, which can easily melt a variety of plastic products. MAIN APPLICATION SCENARIOS: car bumpers, dashboards, kayaks, canoes, children's riding toys and fuel tanks. Also can melt DIY various plastic products.