Specifications: Product Name: Portable Intelligent Spot Welding Machine with Color Screen Capacity: 5000mAh Charge: 5V or 2.1A Discharge: 5V or 2.1A Welding Materials: Nickel Sheet, Iron Sheet, Stainless Steel Sheet, Aluminum Sheet Welding Thickness: 0.1-0.25mm Maximum Welding Current: 1200A Gear: 4-speed combination adjustment Dimension: 155mmx82mmx28mm Features: One-touch welding work highly efficient. Double pulse welding technology. During welding, two pulses are emitted, one pulse cleans the oxide layer on the surface of the welding piece to reduce the spark spatter phenomenon, and the other pulse performs one output, effectively improving the welding reliability. 2-in-1 multi-function cordless spot welding 0.25mm weldable or Double pulse welding technology or 5000mAh lithium battery or 1200A discharge Easily adapts to various welding jobs Bass spot welding pen The spot welding pen has a replaceable design. without having to replace the entire welding pen. High-performance battery Equipped with two high-performance lithium batteries, use high-performance lithium batteries. Say no to quality class A batteries and cheap class B batteries One device for dual purposes Spot welder and power bank With USB 5V2.1A output, which can charge USB devices such as mobile phones Equipped with intelligent temperature control probe Protect your safety in real time 1.8 inch FFT High-resolution LCD color screen Package includes: 1. Spot welding machine 2. Spot welding pen 3. Manual 4.USB charging cable 5.Packing