Features: Experience enhances relaxation and improved sensory perception with our Low Frequency Pulse Generator, designs to breath 7.83Hz Schumann Resonances Waving, promoting better mental health and work efficiency. This Multifuction pulse generator features a wide adjustable frequency ranges from 0.01Hz~100000Hz, utilizing digital circuit crystal oscillator technology for stable and precise sine Waving outputs. Suitable for electronic engineers, communication specialists, and researcher, this device supports various applications including electronic experiments, communication testing, and signal analysis. Perfect for use in laboratories, production lines, and educational setting, the generator aids in equipment testing, calibration, and scientific research projects. Crafted with high quality ABS materials, this and reliable tool is easy to operate with its button and display designs , making it essential addition to any technical toolkit. Specifications: Material: PCB Size: about 105x155mm/4.13x6.1inches Frequency: 0.01Hz~100000Hz Power supply: 5v Rate power: less than 1w Package Includes: 1xSchumann Resonances Generator note: Please allow 1 to 3cm error due to manual measurement, please make sure you do not mind before you bid, Due to the differences between different monitors, the picture may not reflect the actual colorful of the item.