Features: Fast Contactless Testing: Uses electromagnetic induction principle to quickly examine coil components and mainboard wiring without opening devices. Efficiently identifies issues in electronic parts. Handy inductance measurement device for phone repair tools. Accurate Problem Identification: Clearly finds wiring interruptions, poor solder joints, damaged coils, and irregular inductance values. Ideal for appliance repairs and mainboard inspections. Effective diagnostic instrument for maintenance work. Simple Plug and Use action: Requires denial technical preparation; power on to start scanning instantly. Easy for beginners and professional technicians. Straightforward inductance verification tool for various skill levels. Wide Compatibility: Works with wiring panels, mainboard coils, electrical footpaths, and magnetic . Useful for appliance servicing and electronic projects. Multipurpose inductance analysis equipment for repair . Portable Compact Design: Small ergonomic size (75.5 26.5Mm) with comfortable handling. USB powered for on the go troubleshooting. Convenient handheld inductance testing device for mobile repairs. Specifications: Substance: electronic components Product size: 75.5x26.5mm (particulars as shown) Power supply: USB plug-in use Button: press and hold to use Work measure light: The green light lights up to indicate that the solenoid is normal and can work normally. Main functions: Quickly troubleshoot faults and quickly locate fault points Package Includes: Testerx1 note: Pay attention to the storage methods.