Effectively cleans glasses and accessories with a 610ml tank and 42KHz ultrasonic frequency. - Model: HB-2818B - Tank Capacity: 610ml - Frequency: 42KHz - Items that can be cleaned: Glasses, necklaces, earrings, rings, metal products, pens, watch bands, razor blades, etc. - Timer Function: 3 timer settings - LED Light: Easy to see the cleaning status Thank you for viewing. Although unused, the box has some age-related deterioration, scratches, and dirt due to home storage. This item will be shipped as is, please understand and consider purchasing.