Features 1.High Efficiency: Battery spot welding pen adopts thick copper strip, which is conducive to improve the efficiency and suitable for long time use. 2.Integrated Design: Automatic trigger spot welding pen adopts integrated design, which is beautiful and neat and has good heat dissipation effect. 3.Retractable Design: Handheld spot welding pen has double springs inside the handle, each pen can be retracted independently. 4.Easy to Operate: The automatic trigger spot welding pen has a built in limit switch for one handed operation without a foot pedal. 5.Comfortable and Effortless: Battery spot welding pen feels comfortable in the hand, withstands long hours of use, is stable and reliable, and is wear resistant and effortless. specificationItem Type: Battery Spot Welding Pen Material: Brass Working Voltage: DC4-12V Working Scenarios: Battery spot welding for home and industrial use PackageList1 x BatterySpotWeldingPen 2 x Touch Device 2 x Spring 1 x Hex Wrench NoteThis product is an integrated spot welding pen, need to be connected to the spot welder to use, only the welding pen of the spot welder, and can not be used alone.