Integrated Design: The battery spot welder power supply and welding pen are combined into one unit, allowing you to weld without the need for an external welding pen. This mini welder is designed for one-handed operation, freeing your other hand to hold the nickel strip for easier welding. LCD Digital Display: The battery welder features a digital display with functions including mode selection, gear setting, preheating time, and delay display. Press the SET button to adjust settings such as language and screen brightness. Dual Modes and 99 Adjustable Gears: This handheld spot welder offers two operating modes and 99 adjustable power levels, allowing you to select the appropriate output for your welding needs. Automatic and manual modes provide greater flexibility, with dual pulse output for more precise welding results. Switch between modes easily for smooth operation. Multifunctional Spot Welder: This portable spot welder is ideal for repairing electronic devices with damaged batteries and for welding various battery types, including cylindrical and button batteries. It supports welding on nickel-plated sheets, iron sheets, and stainless steel sheets, producing strong and clean solder joints. Color: As shown Material: Metal Package Contents: 1 x host 2 x copper pins 1 x 2m nickel coil 1 x frosted paper 1 x Type-C charging cable Only the above package content is included; other items are not part of this product. Note: Due to lighting and display differences, the item's color may vary slightly from the images. Measurement error is +/- 1-3 cm.