This ultrasonic cleaner features 49000KHz frequency, using tap water to clean dirty jewelry in 90 seconds, 180s to clean glasses, 280s to clean toothbrushes, 380s to clean dentures, 480s to clean cosmetic cleaning brushes. It is a multi-purpose ultrasonic cleaner for cleaning jewelry, rings, glasses, dentures, watch coins, etc. The extra large capacity of 500-700ml is enough to thoroughly clean one or more items at a time, saving your time. The cleaner is made of ABS + 304 stainless steel, with a voltage of 210-240 volts and a rated power of 48 watts.