Cleans dirty jewelry, eyeglasses, watches, utensils and more in minutes using only tap water (does not remove tarnish) Generates 42,000 Hz of ultrasonic sound waves for a powerful yet gentle clean that won’t harm your valuables Digital display with 5 preset cleaning cycles (90, 180, 280, 380, & 480 seconds) and auto shut off Extremely easy to operate, includes basket to keep items secure Generous 20 oz (600 mL) capacity