A workshop quality touch control ultrasonic cleaner. Unique dual frequency option for coarser or more intensive cleaning in the one unit. This model features the following function modes: Fullwave: Fullwave mode is a standard cleaning mode based on a single frequency ultrasonic wave. Fullwave (40kHz for intensive clean. Semiwave: Semiwave mode is a soft cleaning mode based on a single frequency ultrasonic wave. The wave amplitude is half of the original single frequency. Semiwave (33kHz) for a coarse clean. Degas mode: Degas mode circulates periods of the common single frequency ultrasonic c...