45000HZ ULTRASONIC WAVES - This ultrasonic jewelry cleaner can generate 45000HZ ultrasonic waves to gently remove dirt and grime of your jewelry in short time. You only need to pour water in the tank, and put the items in it, a bit of liquid hand/dish soap can be added for enhanced cleaning. The ultrasonic cleaner will safely make them sparkle again..5 TIME MODES - This ultrasonic jewelry cleaner offers 5 different time modes, so you can freely choose the cleaning time you want with the TIME button: 90s, 180s, 280s, 380s and 480s. Even more distinctive is the [Degas mode] when you select 480 seconds. Degassing can separate the oxygen produced during cleaning by [working intermittently] and improve the cleaning effect..COMFORTABLE DESIGN - The ultrasonic cleaner with 650ML large capacity is adequate to thoroughly clean one or more items at once, saving you time and efforts. The sound below 60dB and auto shut-off design allows you to use this ultrasonic jewelry cleaner even while you sleep..WIDE RANGE OF APPLICATIONS - This ultrasonic cleaner can clean jewelry, glasses, watches, coins, dentures and laboratory instruments. Not only for home use, but also ideal equipment for laboratories, opticians, dentists, jewelers and watch shops..WARRANTY AND SERVICE - You will receive 1x ultrasonic cleaner, 1x cleaning basket, 1x watch holder, 1x detachable power cord, 1x instructions. We offer a 18-month warranty and friendly 24-hour customer service. If you have any questions, please contact us and we will try our best to help you.