Profession High Power Denture Cleaner: With 40KHZ high-frequency vibration to penetrate crevices and cavities, our denture ultrasonic cleaner can effectively remove particulates and smudges with 360° no dead angle from the denture, retainer and mouth guard. Profession cleaner to keep your oral health every day 5 Minutes Auto Deep Cleaning: With the one-key function of 5 minutes auto cleaning, this denture cleaning machine can remove food residues and smudges forming a protective layer to combat erosion, which can prolong service life for your stuff. The water in the tank will get a little warm when the machine work, it is a normal situation. But It will not distort or damage your denture, retainer, aligner and mouth guard, etc. Please don't worry about it too much. SUS304 Material With Corrosion Resistance: Made from SUS304 food-grade material groove with corrosion-resistance and heat-resistance feature, this denture cleaner will work for a long time and will protect your denture from any damage. High quality and high-cost performance denture cleaner for your choosing. Gift For The Elder: Used for all kinds of denture, retainer, aligner, mouth guard, electric toothbrush replacement heads. Safe and easy to use with one-touch button, low voltage and separate design of machine and power. Definitely a great gift for the elder, parents, grandparents. NOTE: Please empty the tank after each using, please use the effervescent denture tablets cleanser powder or mouthwash in the water while cleaning for better cleaning effect. If you have any question about the product, please feel free to contact us and we will do our best to help at any time..