<p>Using high-quality materials, the product has good frequency stability;</p> <p>This product not only outputs 7.83Hz waves, but also incorporates programmable frequency modulation technology, which can adjust the frequency in the range of 0.1Hz to 30KHz;</p> <p>Digital circuit crystal oscillator frequency reference, more stable and stronger anti-interference;</p> <p>The power interface adopts DC5.5 * 2.1 or Micro-USB interface, which is convenient to use. The USB end can be plugged into the power bank, USB charging , or other USB powered devices to work.</p> <p>Parameter:</p> <p>Antenna waveform: sine wave</p> <p>Interface waveform: sine wave+square wave+inverse square wave (the bottom left corner is the output interface, and the waveform is output simultaneously)</p> <p>Power supply interface: DC5.5 * 2.1</p> <p>Power supply voltage: 5V</p> <p>Rated power consumption:Less than 1W</p> <p>Default frequency: 7.83Hz</p> <p>Adjustment range: 0.1Hz~30000Hz</p> <p>Sinusoidal signal voltage amplitude: 3V</p> <p>Square wave signal voltage amplitude: 5V</p> <p>Circuit board size: approximately 15 X 14CM</p> <p>Colour:Black</p> <p>Material:ABS</p> <p>type:A: with case</p> <p>Package Contents:</p> <p>1 set of wave generator</p> <p>Only the above package content, other products are not included.</p> <p>Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +\/- 1-3cm.</p>