This product has a variety of functions such as welding nails, smoothing and cutting, and hole repairing. Designed to quickly and easily weld ruptured and damaged plastic parts together for firm, permanent repair of fractures, cracks and tears in rigid or flexible thermoplastic parts, used to repair plastic parts such as bumpers , headlight accessories and components, panel clips, etc. CE and FCC certification.Order 6 sets of different types of welding nails. Parameter: Input voltage: 110V Frequency: 60Hz Input current: 0.2A Power: 30W Power cord length 1.8 meters Output voltage: 2-4V Steps for usage: 1. Mount the welding stud on the electric level head; 2. Plug in the power, turn on the switch, and prepare for repair; 3. Press and hold the black button on the operating handle to weld.