Multifunctional measurement Combines inductance measurement, frequency measurement, and testing of polarized and nonpolarized capacitors in one instrument, enabling testing of a wide range of components without switching devices. Doityourself soldering set Includes a DIY soldering set to practice soldering individual parts, enhancing practical skills and deepening understanding of microcontroller principles. LCD display LCD display provides clear readings for easy interpretation and improved workflow in testing and debugging. SW3 selflocking switch SW3 selflocking switch helps stabilize readings and improves measurement accuracy across different capacitor types. Key attributes Function: Inductance, frequency, polarized and nonpolarized capacitor testing; built to support versatile component analysis. Compatibility: Suitable for common electronic components including inductors and both polarized and nonpolarized capacitors. Size: Compact handheld form factor designed for convenient use and storage. Material: Sturdy housing and standard electronic components to support reliable operation. Performance: Stable, readable measurements with an emphasis on accuracy across capacitor types. Use scenarios Hobby electronics prototyping: Quickly test inductors and both polarized and nonpolarized capacitors during circuit prototyping and troubleshooting. Educational lab: Use the DIY soldering set to practice component assembly and to learn microcontroller principles in a handson environment. Field servicing: Inspect and verify capacitor and inductor values on boards during tasks, leveraging the LCD display and SW3 switch for reliable readings.