Features:_x000D_ High quality material: this lightweight, portable spot welder is made of solid, durable aluminium alloy housing, with anodic oxidation surface, wear-resistant._x000D_ Efficient welding: it is with total 5 gears of output power, easily adjustable, for precise welding; and there are LED light to indicate the working gear._x000D_ Good performance: welding pen, with gold-plate terminal, long enough, flexible to use, quick to install, fine conductivity, ensures beautiful welding spots._x000D_ Safe, reliable use: the welding machine has low voltage, over current and over-charge protection, low battery alarm function, auto-off under low power._x000D_ Power bank function: built-in rechargeable battery, 5000mAh high capacity, supports it to fast charge the mobile devices via 5V 2.1A USB port, very convenient._x000D_ Specifications:_x000D_ Material: aluminium alloy_x000D_ Color: black_x000D_ Current: max 650A_x000D_ Battery: 3.7V 5000mAh battery_x000D_ Item Size: 10.3*8.4*2.7cm / 4.06*3.31*1.06in_x000D_ Package Size: 10.3*8.4*2.7cm / 4.05*3.30*1.06in_x000D_ Package Weight: 400g / 14.10oz_x000D_ Note:_x000D_ Spot welder set only, other accessories in the pictures are not included._x000D_ Due to lighting or other reasons, the picture and material object may slightly differ._x000D_ Due to manual measurement, there may be deviation, please in kind prevail._x000D_ Packing List:_x000D_ 1 * Spot Welder_x000D_ 2 * Welding Pen_x000D_ 1 * Charge Cable_x000D_ 1 * Nickel Sheet