Description:100-speed power adjustable design allows free adjustment for more accurate welding process and better welding effect.Multi-strand high temperature line composition design ensures good torsion resistance and more sensitive operation.It is constructed of PCB material. Good electrical conductivity and low contact resistance ensures fast debonding and easy transportation.The length of the product is 8.5cm, the width is 6.1cm, the thickness is 1cm. It has digital tube real-time gear display function.It is suitable for industry. Large area contact with pure copper joint, reduce internal resistance.Item Name: Electric Spot-welderMaterial: PCBVoltage: 10-15VWorking Current: 100-300ASolder-pin Specification: 2mmWelding Pen Specification: 350mmSupport: Welding 0.1-0.15mm Ni SheetSelect Mos Tube: Output Through 5 MOS Tubes, The Maximum Welding Current Is 2600A.Recommended Power Supply: 12v Car Starting Power, 12v 20-60ah Lead Acid Battery (Not Included)Size Details:Size: 8.5cm x 6.1cm x 1cm/3.35" x 2.4" x 0.39" (Approx.)Notes:Due to the light and screen setting difference, the item's color may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement.Package Includes:1 x 100 Gear Board2 x Connecting Wires2 x Welding Pens5 x Ni Sheets4 x Screws2 x Heat Shrink Tubing