The Gem Glow Clean + Care Ultrasonic Cleaner will beautifully clean your watches, rings, bracelets, necklaces, and even other items such as eyeglasses, cuff links, and keychains. This specially designed machine uses superior 42kHz Ultrasonic vibrations to remove dirt, grime, and oils from your favorite pieces of jewelry. Safe for most types of jewelry, this ultrasonic jewelry cleaning machine is a must for those that want a professional-level clean from the comfort of their own home. Tank is made from Stainless Steel and includes a jewelry basket and unique watch holder. Also includes a sample of Gem Glow jewelry cleaner. Gem Glow is a trusted name in jewelry care, with professional-level formulas designed specifically for cleaning jewelry, restoring their original brilliance and shine. Read ALL instructions thoroughly before use. Do NOT use with loose stones. NOTE: This cleaner removes grime, oil and dirt but does not remove tarnish.