This Ultrasonic Cleaner provides professional quality cleaning for jewelry, eyewear, auto parts and more. Utilizing advanced transducer technology, the 40kHz ultrasonic waves generate millions of tiny cleaning bubbles that penetrate surfaces and crevices, thoroughly removing dirt without damaging the item's appearance. Crafted with a high-quality stainless steel tank, this cleaner ensures lasting durability while providing consistent cleaning results. Simple knob operation allows you to easily adjust the cleaning time and temperature to the needs of different items.