Description High-precision PWM signal output, suitable for driving various electronic components such as test oscilloscopes, multimeters, stepper motors and ignition coils, with strong compatibility. 2. It is equipped with multiple built-in protection circuits to ensure a stable and safe testing process and extend the service life of the equipment. 3. Portable handheld design, simple and intuitive operation, suitable for various scenarios such as on-site maintenance and laboratories. 4. It supports a wide voltage input range, is compatible with power supply standards in different countries and regions, and meets the needs of global users. 5. It is applicable to multiple fields such as automotive electronics, industrial control, and electronic teaching, and is an ideal testing tool for engineers and maintenance personnel. The package includes: 1*Drive Tester