Features: Precisely generate from 0.01Hz to 100000Hz for stable, high frequency output essential for wellness applications using this Frequency Generator. This compact Generator supports multiple waveforms including sine, square, and inverted square , offering versatility and ease of operate in a portable device. Ideal for individuals seeking relaxation and wellness support through scientifically modeled resonance frequencies. Effortlessly integrate this Portable Device into your daily routine for enhanced calm and focus at home, in office, or while traveling. Experience improved signals stability and interferences resistance thanks to advanced digital circuitry replacing complex analog designs. Specifications: Component: Plastic Power supply interfaces: 5.5x2.1 Adjustment ranges: 0.01Hz~100000HZ Interfaces waveform: sine + square + inverted square Supply voltages: 5V Default frequency:7.83HZ Antenna waveform: sine Sinusoidal signals voltages amplitude: 3V Square signals voltages amplitude: 5V Size: about. 155x140x15mm/6.1x5.51x0.59in [without shell] 160x150x20mm/6.3x5.91x0.78in [with shell] Pattern: Without Shell/With Shell Package Includes: 1 Set Frequency Generator note: Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item.