1. It can be held by one hand, is easy to operate, is convenient to carry to any work site, and is especially suitable for outdoor work or hard-to-reach spaces. 2. High-definition digital display design, clear and intuitive operation interface, real-time temperature monitoring, parameter setting and welding process monitoring are easier to understand. 3. Built-in intelligent chip, 90-speed adjustable, preheating and trigger time adjustable, automatic/manual dual mode, to efficient and firm welding. 4. Widely used in electronic and electrical equipment maintenance, battery production and assembly, hardware maintenance and reinforcement, manual DIY assembly and splicing, etc. Product name: small portable spot welder Model: Charging interface: type C. Charging voltage: 5V/1A(MAX) Output voltage: 4.2V(MAX) Battery type: lithium polymer battery Adjustable gears: 90 adjustable gears Welding materials: nickel plate, steel plate and iron sheet Welding thickness: 0.15-0.25mm Color:Black Material:ABS+Metal Package Contents: 1 * spot welder 1 * Charging cable 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.