Item Type: Welding Machine Circuit Board_x000D_ Main Color: Green_x000D_ Main Material: PCB 1HIGH TEMPERATURE RESISTANCE: This spot welder has high frequency capacitors, low internal resistance, and can withstand high temperatures of 105 2IMPROVE EFFICIENCY: Brass electric welding machine conducts electricity and heat, improves spot welding efficiency, and can be used for a long time 3HIGH DURABILITY: 10AWG wire, aluminum oxide copper pin solder joints ensure high current throughput and durability 4EASY TO USE: The welding machine adopts positive and negative markings, not easy to connect wrong wires, portable, stable, reliable 5GEAR DISPLAY: With 8 gear power adjustment, the digital tube displays the gear in real time, suitable for electronic enthusiasts 1 x Circuit Board 1 x 5m Nickel Sheet 2 x Connecting Cables 2 x Spot Welding Pens 4 x Screw Set 2 x Heat Shrink Tubing Requires a certain amount of hands on ability