... ml Timer 5 working circles, choose time freely Ultrasonic Cleaner ApplicationsFamily,Office,Beauty salon, Laboratory,Electron workshop, ... .2. Glasses,Sun glasses,Watchband,Waterproof watch, Household hardware,Seal,Pen-head,Printer-head.3. Disk ... Tightened lid design for effective noise reduction Ultrasonic Cleaner Specification Ultrasonic Frequency 42,000 HzTank MaterialStainless Steel SUS304Tank ...