Features: 1. The Dual Pulse Handheld Spot Welding Machine is a versatile tool designed for lithium polymer batteries, allowing for efficient and safe operation in a compact device. 2. It features 11 gear adjustments, providing a range of output intensity options to suit welding specific needs, offering great flexibility and precision. 3. The device comes with a Type-C charging interface, ensuring a modern and efficient charging experience to keep the spot welding machine ready for use. 4. With the output voltage of 4.2V (MAX) and output current of 650 (MAX), this machine provides strong power for efficient welding jobs. 5. The compact dimensions of this handheld tool enhance its portability, enabling you to carry it to different work locations conveniently. Specifications: -Product Name: Dual Pulse Handheld Spot Welding Machine -Type: Battery Spot Welding Machine -Gear Adjustment: 11th Gear Adjustment -Charging Interface: Type-C -Output Voltage: 4.2V (MAX) -Charging Parameters: 5V/1A (MAX) -Output Current: 650 (MAX) -Product Size: 215*830*35mm Package included: 1 x Dual Pulse Handheld Spot Welding Machine 1 x Nickel Roll 1 x Matt Paper 1 x Type-C Charging Cable 1 x User Manual