No longer fixed to 7.83 frequency, the range is from 0.01-99999Hz, and value is accurate to 0.01Hz, surpassing the past limitations and bringing more adjustable frequency options Combination of multiple waveforms; no longer confused about whether it is a square wave or a sine wave or whether it is only a wave Convenient and fast display, the new device is equipped with an intelligent color touch screen, which displays the corresponding band according to the frequency, and can directly reach with one click. Simple operation and flexible use. Just the screen button to reach it with one click. Even novices can easily master it Product name: wave generator (adjustable frequency) Power supply:AC110V-240V/or 5V Android input power supply Output interface:3.55mm AUX headphone interface Plug Type:US Plug, it applies to Canada, India, Mexico, Thailand, Taiwan, the , the Philippines and so on. Voltage:AC110V-240V Colour:As Shown Material:acrylic Package Contents: 1 * Wave Generator Kit Only the above package content, other products are not included. 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.