Ultrasonic cleaning uses high frequency sound waves above human hearing to agitate in a solution, Cavitation bubbles induced by the agitation act on contaminants adhering to substrates like metals, plastics, glass and ceramics, The tiny air bubbles bust and shake off contaminants, This action also penetrates blind holes, cracks, and recesses, The action can thoroughly remove tightly adhering or embedded particles from solid surfaces, Water or other solvents can be used, depending on the type of contamination and the work-piece, Contaminants can include dust, dirt, oil, pigments, grease, oxidation, polishing compounds, flux agents, fingerprints, soot wax and mold release agents, biological soil like blood, and so on, Industrial grade ultrasonic transducer with twice of power and durability vs, S and D series, Digital timer with 5 settings, Heater prest 149F65C, Overheating protector, Cooling fan, Medium tank capacity with 2, 5 L 2, 6 Qt, Detachable power cord, SKU: ISNC004