Multifunctional rotary control provides convenient function selection for measurements, making the process quicker and easier. High definition LCD display offers a large screen with clear digital icons, ensuring the readout is easy to read in various lighting conditions. Safety oriented design minimizes hand contact with the board during operation, enhancing handling safety. Multifunction measuring instrument and electronic DIY kit: a versatile tool with simple operation, suitable for a range of measurement tasks and DIY projects. Use scenarios: - Use in electronics projects to test circuits and verify components during assembly. - Use in educational or maker environments to teach measurement concepts with a straightforward hands-on kit. - Use in repair and maintenance to diagnose faults and confirm circuit functionality quickly.