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. 
Good 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 battery alarm function, auto-off under low power.

Specifications:
Material: aluminium alloy
Color: black
Current: max 650A
Battery: 3.7V 3000mAh battery
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:
Spot welder set only, other accessories in the pictures are not included.
Due to lighting or other reasons, the picture and material object may slightly differ.
Due to manual measurement, there may be deviation, please in kind prevail.

Packing List:
1 * Spot Welder
2 * Welding Pen
1 * Charge Cable
1 * Nickel Sheet