... time freely Ultrasonic Cleaner ApplicationsFamily,Office,Beauty salon, Laboratory,Electron workshop, Glasses shop,Jewelry shop,Clock shop, Watch ... ,Stickpin.2. Glasses,Sun glasses,Watchband,Waterproof watch, Household hardware,Seal,Pen-head,Printer-head.3 ... 000 HzTank MaterialStainless Steel SUS304Tank Capacity750 mlTimer5 working circles, choose time freelyPower SupplyAC 100 ~ 120V, 50 / 60HzAC 220 ...