Dualoai Adjustable Regulator Kit 110V to DC1.25-12V Welding Training Soldering.The pkage includes all necessary components required for assemblyConstructed from PC, this kit ensures durability and longevity, reliable for your DIY soldering projectsHands- This soldering prtice kit offers hands-on experiences in soldering, allows users to understand the principle of DC power supply regulation, while enhance the welding skills and circuit debugging abilityDC regulator module 110V DIY electronic welding kit is designed for electronics enthusiasts and students, not only allows you to quire prtical soldering skills but also promotes understanding of electronic componentsThe kit is designed for simplicity, making the assembly process straightforward and user-friendlySoldering Practice Boards Learn Electronics. Electronics Learning Boards Set Electronic . Soldering Skill Training Kit Practice Soldering. DIY PLCC SMD Components Practice Board. Electronic Component Soldering Project Kit.