Integrated Design: battery spot welder power supply and welding pen are combined into one, you can weld easily without an external welding pen. The mini welder is designed for one-handed operation. freeing your other hand to hold the strip, making welding a breeze. Dual Modes and 12Adjustable Gears: The handheld spot welder adopts allow you to freely choose the output power to meet your spot welding needs; the design of automatic and manual modes increases the flexibility of spot welding, dual pulse output, and more precise welding.Switch between modes effortlessly for seamless welding experiences Multifunctional Spot Welder: portable spot welder is very suitable for welding electronic devices that fail due to battery damage and types of batteries, such as cylindrical batteries, button batteries etc. And support welding -plated sheets, stainless iron sheets or stainless steel sheets, and the solder joints are firm and beautiful Color:Black Material:Plastic Package Contents: 1 * Battery Spot Welder 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.