Professional Ultrasonic Jewelry and Eyeglass Cleaner Cleaning Machine, Light Blue Powerful cleaning system works to gently remove dirt, dust, and grime from your valuable items including jewelry, eyeglasses, and watches in minutes without damaging them 2,000 cycle ultrasonic energy wave creates millions of microscopic cleansing bubbles that attack and remove even the most stubborn blemishes for a powerful yet gentle clean 3 minute cleaning cycle and auto shut-off makes operation as simple as pressing the "on" button. Quiet operation and solid state circuitry ensure a consistent clean every time With a generous 20 oz (600 ml) stainless steel cleaning tank; both small and large jewelry alike can be fully submerged and thoroughly cleaned using just tap water. Add detergent for enhanced cleaning Professional cleaning results every time make this jewelry cleaner great for commercial or home use