Ultra cleaner operates at a frequency of 49,000 Hz with 40W power. Utilizing cavitation technology, it effectively removes dirt from various items without causing damage. This ultra cleaner offers broad application for cleaning jewelry such as gold and diamonds, rings, watches, eyeglasses, sunglasses, toothbrushes, makeup brushes, pens, contact lenses, pacifiers, and more. It features a large 650 ml capacity, allowing multiple items to be cleaned simultaneously. The unit is built with a durable 304 stainless steel inner tank and an ABS outer shell for long-lasting performance. Power: 40W Capacity: 650ML Working frequency: 49KHz Plug Type: US Plug Voltage: AC110-240V Color: Black Material: Plastic Package Contents: 1 x Ultra Cleaner Machine (cleaning machine only; all other items not included) Note: Lighting effects and monitor settings may cause slight color variations between the product image and actual item. Measurement may vary by +/- 1-3 cm.