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.  High efficiency saves cleaning solvent, thermal energy, work place and labor!  Three sets of built-in powerful transducers can strengthen the ultrasonic power and make superior cleaning outcome. It is utilization of digital program in ultrasonic cleaner to control the unit, according to the quantity and condition of the items to be cleaned to choose a working cycle time. As a result, it is more convenient and efficient than hand wash, steam cleaners, high pressure water jet cleaning or other machines. Advanced Brushed Stainless Steel Cleaning Tank to avoid corrosion water stain and keep the tank looking always new. (In comparison, the common stainless steel cleaning tanks will be dirty yellow corrosion water stain on the surface after a long time of using, and it's hard to be removed.) Power Voltage: AC220V/50Hz or AC110V/60Hz Fuse Tube: 2A, 250V Ultrasonic Power: 120W Heating Power: 150W Time: 1~99Minutes Temperature:20℃ ~ 80℃ Dimension of Cleaning Slot: 24*14*15cm Professional Use: Medical and Dental Clinics, Tattoo Shops, Scientific Labs and Golf Clubs. Jewelers, Opticians, Watchmakers, Antique Dealers and Electronics Workshops etc.