Product Name:12V Portable Spot Welding Machine Circuit Board Gear:9 Gears Working Current:90-150A (Discharge Below 90A Will Not Work) Advantages:Portable, Stable, Reliable, And Welding Nickel Sheet Thickness:0.1-0.3mm Welding Current:1500amax Note:Different Batches May Have Differences In Product Appearance, Color, And Printed Characters, Which Will Not Affect The Use Type:A:Without Case Colour:As Shown Material:PCB+Metal+Plastic Package Contents: 1 * Motherboard Module 2 * Welding Pen 2 * Input Cable 2 * Heat Shrink Tube 1 * Nickel Sheet 1 Set * Screw Mounting Accessories Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm. Intelligent Cnc Spot Welding Machine, 9 Precise Gear Adjustments, High-Speed Microcontroller, Intelligent Program, Real-Time Display Of Battery Voltage, And Spot Welding Intensity Can Be Seen Ultra-Thick Copper Tube, 12awg Wire, And Aluminum Oxide Copper Spot Welding Needles Excessive Current Capability And Durability, Greatly Improving Spot Welding Efficiency. Bilateral Outlet Is Convenient For Spot Welding. The Product Is Marked And It Is Not Easy To Make Wrong Connections. It Is Both A Spot Welding Machine And A Voltmeter. It Has A Built-In 12-Bit High-Precision Adc And The Voltage Measurement Accuracy Can Reach 0.01. The Voltage Testable Range Is: 12-14.6V. It Automatically Displays The Voltage When Connected To The Power Supply. 9-Level Power Adjustment, Digital Tube Real-Time Gear Display