1. 3 in 1 multifunction device The DSOTC3 combines a digital oscilloscope, transistor tester, and function signal generator in one compact tool, making it a practical choice for electronics enthusiasts and professionals alike. 2. sensitivity capture sensitivity capture enables precise measurements and fast waveform analysis, helping you avoid missing critical data during testing and troubleshooting. 3. Variety of waveforms Supports six major waveforms for versatile testing: sine, square, pulse, triangle, ramp, and DC, suitable for a wide range of circuit analyses. 4. Portable and longlasting Equipped with a 1500mAh polymer lithium battery, providing up to 4 hours of operation. The portable design is well suited for field repairs and onthego testing. Use scenarios Onsite electronics and diagnostics, such as troubleshooting control boards during field service. Lab bench testing and prototyping to verify circuits and validate designs. Educational demonstrations and student projects to illustrate waveform behavior and transistor testing concepts.