... fanDigital display with memory functionCE/FCC /RoHSUltrasonic Dental Instrument Cleaning Machine Specifications: Model1990QTDVoltageAC100~120V, 60HzAC220~240V, 50HzFrequency40KHzUltrasonic Power200WTank capacity9LTank size(mm ... shop, mobilphone repair shop, office and household articles,gifts to clean glasses,earring,necklaces,rings,jewelry,watches,denture,inkjet printerhead,bracelets ...