Features: Spots welding with a thickness of up to 0.25mm and platings meets various daily needs, with a builtin high-capacity 8000mAh high rate battery The spots welding special spots welding pen have replaceable welding needle and multiple safety protections, including over temperature, short circuits, low voltages, overcharge, and over discharge protections. It also have a sleep function to provide long time protections for the equipment 6 major functions of intelligent operating system: preheating delay, connection point interval, pulse protections, customs setting for beginner to easily get started Brackets design makes spots welding operations more convenient for adjusting parameters Intelligent digital display, new large screen visual experience, real-time display of temperature and voltages Specifications: Material: ABS Size:Approx.153mm/6.02''x80mm/3.15''x32mm/1.26'' Package Includes: 1Set Battery Spots Welder note: Please allow 1mm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual color.