Model Number: JP-3800S-3 Brand Name: SKYMEN Key Specifications/Special Features: Key specifications/special features1. With touch key2. Tank material: SUS304, housing: ABS3. Basket and watch holder4. Clean jewelry, watch, rings and other small parts.How does this machine works ?Cavitation, the collapse of millions of tiny bubbles created by ultrasonic vibrations, releases high energy and enormous cleaning power. This cleaning action gently and thoroughly removes dirt, oil, and contaminants from every surface in contact with the cleaning fluid. Because the liquid can penetrate into very small crevices, ultrasonic cleaning can clean intricate items that cannot be cleaned by hand.Just try this machine, it will bring your stuff to a brand new life.