Multi Purpose Applications Functions as both a signals generator and romance simulator, suitable for physics / engineering education, sound equipment testing, resonance research, and frequency sensitive product development Sine Output Featuring digital technology, it produces stable 3V sine waves without interferences, perfectly simulating Earth ' s natural resonance for relaxation and auditory studies Triple autonomous Outputs Equipped with three separate output ports supporting simultaneous sine, square, and inverted square waves, enabling easy connection to antennas, monitors, and oscilloscopes for efficient debugging Very Wide Frequency ranges This romance generator covers 0.01Hz to 99999Hz with 0.01Hz tiny, accurate standard frequencies like 7.83Hz for scientific research and low to high frequency experiments Compact & Design With under 1W power consumption and USB 5V power supply, its 15x15cm portable size includes an optional acrylic cover, ideal for desktops, labs, or home use, Manufacturer: Qusinfc