Description: With the hand-held and small design, it allows you to be very convenient to carry it anytime and anywhere. Due to the all-round protection, it has a longer service life. Using 5 MOS tubes, 8 square spot welding pen and 99 power adjustment, the current can be up to 1700 ma, and make its high welding efficiency. It is constructed of PCB material. The length of this product is 90mm and width is 60mm. It is suitable for industry, DIY, welding, repair and so on. Item Name: Spot Welding Machine Material: PCB Working Voltage: 6.5V-1.6V Operating Current: <20mA Standby Power Consumption: <0.5mA Voltage: 12V Welding Peak Current: 1700A MAX Weld Nickel Thickness: 0.1-0.3mm Capacity: 20AH-80AH Features: Digital Tube Display, 99 Power Adjustment, Efficient Size Details: L: 90mm/3.54", W: 60mm/2.36" (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 Control Board 2 x Input Wires 2 x Spot Welding Pens 2 x Heat Shrinkable Sleeve Tubes 12 x Screws 4 x Nuts 1 x Nickel Sheet 3 x Capping 8 x Copper Pillars 2 x Acrylic Plates 1 x User Manual