The ultrasonic cleaner is a microprocessor-controlled device that uses ultrasonic or high frequency sound waves to clean jewelry and other delicate items. Ultrasonic cleaning is based on the cavitation effect caused by high frequency ultrasonic wave vibration signals in fluid. Microscopic bubbles that expand and rapidly collapse cause cavitation, which creates an effective cleaning action on the surface of object being cleaned. Additionally, the bubbles are small enough to penetrate even microscopic crevices, cleaning them thoroughly and consistently.Features: new and super quality Digital Ultra Sonic Cleaner.High working frequency increases ultrasonic activity.Cleaning times and temperatures are controlled electrioncally.The ultrasonic working indirect heating and the heated tank will speed up the ultrasonic cleaning process.6L ultra large capacity allows to contain and clean more things.Specification:Condition: NewItem Type: Ultrasonic CleanerMaterial: Stainless steelColor: Shown as picturePackage Weight: Approx.5850gPackage List:1 x 6L Ultrasonic CleanerNote: During cleaning, the"ZiZi" noise is normal..