1. Thickness of spot welding: 0.1-0.12-0.15-0.2mm Small size, high power 2. Can not weld copper, aluminum, gold and silver 3. The welding feet can be completely disassembled and replaced 4. The spot welding machine can spot weld 18650 lithium batteries to connect nickel strips, or iron sheets or stainless steel sheets, copper and aluminum cannot be spot welded 5. Rechargeable spot welding machine can weld thousands of welding points after fully The current is adjustable, easy to use, and the solder joints are beautiful and firm Foot switch controls welding, spot welding is more arbitrary Try to avoid using it while charging, as it is easy to damage the battery. If the temperature of the soldering pen is too high, please cool it down before using it. Plug Type:EU Plug,it applies to Indonesia, Germany, France, Spain, Italy and so on. Voltage:AC100-240V Colour:As Shown Material:plastic+Metal Size:19.5x13.5x10.5cm Package Contents: 1 * attery spot welder 1 * charger 1 * nickel belt 1 meter 1 * round sandpaper 1 * pedal switch Only 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.