Electric Solder Iron High Power ,External Heat Adjustable Temperature Welding Pen Repair Tool With Indicator Light,Welding Repair Tool ,Portable

High-power dual-temperature pure copper external heat soldering iron tip/elbow switch, safer Mica heating core Fast heating and long life. Three-layer mica core, surface insulation protection when energized, fast internal heat storage, safe and stable, long service life High and low temperature control, easy button switching, with power-on indicator light, intelligent switch control, adapt to different working environments Pure copper welding head heats up quickly, coating, corrosion resistance, anti-oxidation, rapid temperature rise, easy tinning, smooth welding Large-displacement cooling of stainless steel shell Large-displacement cooling holes, uniform and fast heat dissipation, circuit protection