Ultrasonic Cleaners with adjustable power for cleaning delicate items. Sometimes you simply want to dial down the ultrasonic power. These machines have a control for reducing the power to almost zero (not sure why you'd go so low) when cleaning very fine jewellery or delicate components. It has an all Stainless Steel tank and body for professional jewellers, watchmakers, tattoo studios, dentists etc. All have digital controls for the time and temperature settings. Degassing is also standard.