Diy mini spot welder 5 gears adjustable portable handheld spot welding machine fast charge lithium with spot welding pen The product is shipped based on the color or size of the main image of the product page. : material: this lightweight, portable spot welder is made of solid, durable aluminium alloy housing, with anodic oxidation surface, wear-resistant. 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. performance: welding pen, with gold-plate terminal, long enough, flexible to use, quick to install, fine conductivity, ensures beautiful welding spots. Safe, reliable use: the welding machine has low voltage, over current and over-charge protection, low alarm function, auto-off under low power. bank function: built-in rechargeable , 5000mAh high capacity, supports it to fast charge the mobile devices via 5V 2.1A USB port, very convenient. s: Material: aluminium alloy : black Current: max 650A : 3.7V 5000mAh Item Size: 10.3*8.4*2.7cm / 4.06*3.31*1.06in Package Size: 10.3*8.4*2.7cm / 4.05*3.30*1.06in Package Weight: 400g / 14.10oz Note: welder set only, accessories in the pictures are not included. Due to lighting or reasons, the picture and material object may slightly differ. Due to manual measurement, there may be deviation, please in kind prevail. Packing List: 1 * 2 * Pen 1 * Charge Cable 1 * el Sheet