Product : 11 levels of precise control: welding as you wish, excellent results, and doubled durability. Dual-mode free switching: automatic and manual, as you wish, easily cope with mobile phone batteries and nickel sheet welding. Dual pulse strong output: stable welding points, excellent performance, 0.1-0.25mm nickel sheet easily controlled. High-definition color screen display: 1.33-inch color screen, working status is clear at a glance, and operation is more intuitive. Multiple safety guarantees: multiple protections such as voltage stabilization, low temperature, overheating, etc., built-in temperature control, worry-free use. Long-term battery life and energy saving: powerful battery cells, low power consumption and long battery life, automatic sleep and more power saving. Product parameter overview: LCD display: comprehensive monitoring of key information such as power supply, gear, delay, voltage, etc. Continuous spot welding: supports uninterrupted operation and improves efficiency. 11 gear adjustment: meets different welding needs. Battery specifications: lithium polymer, 2200mAh large capacity, design current up to 600A (MAX). Interface parameters: Type-C interface, 5V/1A safe charging. Applicable nickel strip: thickness range 0.1-0.25mm. Instructions for use: Read the instructions, the first step to safe use. Weld as soon as you touch it, lift it up and then weld it, easy to operate. Keep the welding clean and flat to welding quality. The nickel sheet is clean and flat, and the welding effect is better. Appropriate pressure, good contact, and choose the appropriate gear. Special charger, charging and using at the same time is not advisable to protect the battery life. Material: aluminium alloy colour: grey Package Contents: 1 x Spot welding machine 1 x Nickel-plated nickel sheet 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.