[Upgraded LCD Screen Spot Welder]Our DIY spot welding machine is newly designed with visible LCD Screen. You can see the internal system include supply power, welding gears, welding count and output voltage on the OLED display of the welding machine, and it is touch screen adjustable. [16In Welding Pen & 30 Gears Adjustable] 16In spot-welding pen consists of multiple strands of high temperature wire with fine torsional resistance ability, making the operation more flexible. 7mm solid copper rod is with fine conductivity and low contact resistance, quickly detachment and easy carrying. This handheld spot welder with 9 Gears adjustable, welding is more precise and the welding effect is more perfect. [Quality Material]Adjustable spot welding machine is made of High-quality materials, welding machine surface is anodized, wear-resistant and beautiful, fire prevention and fall prevention. 2 mm thick pure copper strip, ultra-low internal resistance, increased over current capacity. [High Speed Battery] After being fully , thousands of points can be continuously welded on a 0.1-0.15mm nickel sheet. With its own charging management control module, you can use the power bank to charge the spot welder. [Intelligent and Safe]This upgraded mini spot welder has over-current protection, low and over voltage protection, and over-temperature protection. Intelligent output current. Material: plastic+metal colour: black Package Contents: 1 x Spot Welder 1 x Type-C charging cable 2 x Spot Welding Pen 1 x 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.