1 year manufacturer's warranty.

2.5L digital timer automatic jewelry watch glasses razor ultrasonic cleaner, digital automatic ultrasonic cleaner

Jewelry razor ultrasonic cleaner. Ultrasonic Jewelry Eyeglasses Cleaner has a transducer that generates ultrasound which in turn generates cavitations in the liquid.

Cavitations are millions of invisible tiny air bubbles which collapse upon contacting items and create mini vacuums that suck off debris. In a simple analogy, it cleans like a brush but reaches places such as crevices and holes where a brush can't reach. It makes cleaning of cleaning jewelry, eyeglasses and watches easy.