... Ultrasonic Cleaner ApplicationsFamily,Office,Beauty salon, Laboratory,Electron workshop, Glasses shop,Jewelry shop,Clock shop, Watch shop,Mobilephone repair ... Car and Motorcycle,Golf Appliance.5. Lab Tools, Instrument and Fitting.6. Metal dishware, feeding bottle ... lid design for effective noise reduction Ultrasonic Cleaner Specification Ultrasonic Frequency 42,000 HzTank MaterialStainless Steel ...