Features: The Multifunctional Tester integrates seamlessly testing capabilities for optocouplers, IGBTs, thyristors, and various transistors, delivering instantly result without the need for ranges switching. This tester boasts high precisions and efficiency, ensuring wear resistance for consistent performances in electronic component testing. Suitable for professional electronics engineers, manufacturers, and repair technicians, this device caters to experts who demand accurate testing tool. Whether on a production line, in a repair center, or a research laboratory, the optocoupler tester provide essential testing functions that are important for quality assurances in electronic device maintenance and development. Enhances your toolkit with the Tester, practical for enthusiasts and professional alike, ensuring that every optocoupler and semiconductor in your project meets the standards of functionality. Specifications: Material:ABS Type:Plug in Charging,Rechargeable Interfaces:USB C Input:5V Current:0.2Amp Battery Capacity:180mAh Package Includes: 1Piece Optocoupler Tester note: Please allow 1mm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual color.