Compact, all-in-one testing tool with full functionality and straightforward operation. Portable and easy to carry. Power options include a wall adapter or a 3.7V lithium battery. When used with an oscilloscope, it enables electronic circuit testing and debugging as well as measuring frequency characteristics and impulse response of audio amplifiers. Key benefits - Portable, compact design for bench or field use - Flexible power options for on-site or lab work - Compatible with standard oscilloscope workflows Core capabilities - Electronic circuit test and debugging - Frequency characteristics measurement - Impulse response testing - Audio amplifier measurement and analysis Compatibility and performance - Works together with an oscilloscope for comprehensive testing - Compact size with complete functional set for versatile use Use scenarios - On-the-workbench electronic circuit debugging with an oscilloscope - Field maintenance and quick testing of audio equipment, assessing frequency response - Research and development for impulse response and transient analysis of filters and amplifiers Notes - Simple operation prioritizes ease of use without compromising measurement capabilities - Suitable for professionals in electronics, audio engineering, and testing environments