1.Household or outfitter ultrasonic cleaner 2.Watch, glasses,necklace,ring,CD etc cleaning 3.CE&ROHS certification ... the most efficient method of removing contaminants, such as grease, oil, wax, fluxes, fingerprints, oxides and other deposits-from visible and ... things.Hands free! Enjoy life!SpecificationFeatures Optional ColorCertificationCompany profile Digital Watch Ultrasonic Cleaner UL50-600M