Features: brand new and high quality 30 gear power regulation, 20 gear delay adjustable, 4 gear double pulse adjustable. Integrated pen for head, cold pressing process, round for head welding needle, ultra-low resistance. OLED display, accurate display, all values are clear at a glance. Humanized design, one hand easy to master integrated welding pen, easy to grasp, no need to learn, no need for professional skills can also be familiar with the use When fully loaded, thousands of welding spots can be spot welded. The adjustable current makes the spot welder comfortable to use and easy to learn. Specifications: Material:Alloy Type:Battery Capacity 10000mAh/Battery Capacity 5000mAh Size:15x8x3cm/5.90x3.14x1.18inches Package Includes: 1 Set Mini Spot Welder note: Please allow 0-3mm errors due to manual measurement, make sure that you do not mind before you order.