VEVOR 6L Ultrasonic Cleaner Dual Frequency Ultrasonic Cleaning Machine with Heater Jewelry Cleaner for Parts Jewelry Eyeglass Ring Denture Record Circuit Board 28/40KHz
the semiwave stands for 28KHz and the full wave for 40KHz?
How can i change from wave to wave during one cleaning process?
when this product was released?
Hello, half wave represents 28KHz, full wave represents 40KHz, and there are corresponding buttons for half wave and full wave. If you want to switch, just press the corresponding button.