Small size, high .The welding pin can be removed and replaced.Fully charged can spot weld thousands of solder joints.The current is adjustable.The operation is simple and easy to learn.The solder joint is beautiful and firm.Note:Special for spot welding batteries, not copper, gold, silver and other metals.The latest generation is improved and upgraded, even 0.2mm(Not recommended if you want to weld 0.2mm all the time, it does not necessarily meet your expectations of 0.2mm) can be solderedAutomatic welding adjustment :Welding 0.1mm, current adjusted to 5 positionWelding 0.15mm, current adjusted to 6 positionsNote: The 3500W spot welder is a welding pen that can not replacePlug Type: Plug, it applies to Canada, India, Mexico, Thailand, Taiwan, the United States, the Philippines and so on.Colour:blueMaterial:MetalPackage Contents:1 x Spot Welder Machine Set1 x AdapterOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.