Easy to Use: Single handed grip, with light display, easy to operate, convenient to carry to any work site, especially suitable for outdoor or hard to reach spaceRemovable Pin: Removable and replaceable welding pin, simple and convenient; (The welding pin is in a high temperature state after use, please do not touch it; please cover the pen cap after use)Multi Protection: Impact protection, voltages stabilization protection, short circuit protection, low temperature protection, High temperature protection, overcharge protection, over discharge protectionPowerful: 11 gears adjustable power output, to meet different spot welding needs, matching the appropriate strength for different materials and thicknesses, accurate welding; strong current, welding thickness up to 0.25mm; multiple specifications can be welded, very suitable for 0.10mm ~ 0.25mm welding; 4.2V output voltages, 800A output current (MAX)/5V 1A fast chargingWide Application: Great for phone repair, battery assembly, DIY projects, etc Size Chart: 19.6cmx4.1cmx2.5cm/7.72inchx1.61inchx0.98inch(host and pen cap) Package Includes: 1 Portable Spot Welding Machine Kit Note: Please allow slightly errors 1-2cm differences due to manual measurement.