Powerful cleaning system works to gently remove dirt, dust and grime from your valuable items including jewelry, eyeglasses etc.42,000 cycle ultrasonic energy wave creates millions of microscopic cleansing bubbles that attack and remove even the most stubborn blemishesWith a generous 20 oz. (600 ml) stainless steel cleaning tankAdd detergent for enhanced cleaningProfessional cleaning results every time make this jewelry cleaner great for commercial or home use