... in the MarketWide-Diameter Transducer for Best Cleaning ResultApplications:Jewelry Ultrasonic Cleaner can be used for Jewelry and Watches Necklaces, Earrings, Rings ... , Sunglasses, Contact Lens AccessoriesDaily Personal Care: Dentures, Combs, Toothbrushes, Table Wares.Specifications: Ultrasonic Frequency40,000 HzTank MaterialStainless Steel SUS304Tank Capacity600 ml Timer3 ...