Versatile waveform output Generate precise sine, triangle, and square waves for electronics testing, educational projects, or audio experiments with consistent signal clarity and stability. Wide frequency range Adjust output from 1 Hz to 1 MHz with coarse and fine tuning, providing five levels of accuracy resolution for detailed frequency adjustment across various applications. Adjustable amplitude and low distortion Features 03 V amplitude adjustment for sine and triangle waves and 8 V square wave output, with less than 1% distortion at 1 kHz for clean signals in sensitive measurements. Quick installation and compatibility All components directly insert with a minimal part count to simplify assembly; operates on 912 V DC external power or a 9 V battery for flexible lab or field use. Applications and use scenarios Electronics lab and circuit testing: verify oscillator circuits, calibrate instruments, and test filters across the full frequency range with stable performance. Educational and DIY projects: demonstrate waveform concepts in classrooms or maker spaces and integrate with microcontroller or prototyping activities. Audio and signal experiments: generate reference signals for audio equipment testing, distortion measurements, and experimental signal processing. Key benefits at a glance Reliable sine, triangle, and square wave generation with stable output Wide, tunable frequency range and precise resolution Adjustable amplitude with low distortion for accurate measurements Simple, quick setup with flexible power options for various environments