Precise control of cleaning time and temperature. Deep cleaning ultrasonic cleaner built-in powerful transducer increases ultrasonic power. Made of stainless steel, no water leakage, with ultrasonic vibration processing to improve cleaning efficiency. Widely used portable ultrasonic jewellery cleaner, easy to move and store. Ideal for jewellery, laboratories, circuit boards, dental equipment, cutlery, industrial and other laundry items.