Features: Portable Spot Weldering Tool Kit: small and compact size, as small as a power bank, easy to carry, with a zipper case for storage. 2 Working Modes: support automatic working mode and manual working mode (manual mode is used with pedal switch), with temperature control and protection function, and support real-time temperature monitoring of circuit board. Welding Spot Count: with spot welding counting function, the welding is more accurate and the effect is better. Recommended Nickel Strips: supports welding of nickel-plated strips with a thickness of 0. 1mm-02mm. Color LCD Display: the 1.8-inch LCD color display can view the input current, temperature, power and other data. With screen flip function. More Features: with functions of low battery charge reminder, real-time circuit board temperature monitoring and high-temperature reminder, automatic shutdown, firmware upgrade, etc. Wide Applications: it is applicable to the special spot welder for factory / test / maintenance DIY welding battery. Specifications: Plug Type: EU Plug / US Plug (Optional) Material: ABS+aluminum alloy Display: 1.8 inch color LCD display Working Mode: Automatic/manual Input Current: 0.0-3.0A Pulse Time: 1~99ms Screen Flip: 0 or 180 Printed Circuit Board Temperature: 0-99 Welding Count: 0-99999 Input/Update: Type-C Output: XT90, 4.2V(Max.) Recommended Nickel Strips: 0.1-0.2mm Battery: 1 * 4.2V, 10000mAh