Description: DIY Practice Soldering Kit: DC voltage regulator module 110V DIY electronic welding kit is designed for electronics enthusiasts and students, not only allows you to acquire practical soldering skills but also promotes understanding of electronic components Hands-on Learning Kit: This soldering practice 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 ability Reliable Material: Constructed from PC, this kit ensures durability and longevity, reliable for your DIY soldering projects Easy Assembly: The kit is designed for simplicity, making the assembly process straightforward and user-friendly Complete Package: The package includes all necessary components required for assembly Specification: Input Voltage: AC 110V Output voltage: DC 1.25V~12V (continuously adjustable)   Size Chart: 14.4cmx7.57cm/5.67inchx2.98inch Package Includes: 1 Adjustable Voltage Regulator Kit Note: Please allow slightly errors 1-2cm/0.39-0.79inch differences due to manual measurement.