1、Since the ultrasonic effect occurs in the entire liquid, all surfaces that can be in contact with the liquid can be cleaned, and the cleaning effect can also be achieved for objects with complex shapes and many gaps. 2、It can remove dirt efficiently. For items such as jewelry, glasses and dentures that need to be used repeatedly, which are in direct contact with the skin, sonic cleaning is more hygienic and safe to use. 3、Can be used for cleaning all kinds of jewelry, dentures, glasses, household tableware and knives, etc. 4、It has a wide range of uses, small size, it doesn't occupy much space, very suitable for home use. 5、Made of high quality stainless steel material, safe and eco‑friendly, firm and durable. Condition: 100% Brand New Item Type: Ultrasonic Cleaner Material: Stainless Steel Product Size: Approx. 19 x 14 x 5 x 9.5cm / 7.5 x 5.5 x 2 x 3.7in Suitable for: Jewelry, glasses, jadeware, optical glasses, optical instruments and other items Note: The stainless steel cover effectively prevents corrosive liquids. Please tear off the protective film on the surface of the cover before use The longest timing is 5 minutes Function: Removal of dirt, dust, all kinds of grease, and carbon deposits, with outstanding efficacy, cleaning. Purpose: 1. Glasses and optical instruments: All optical lenses, such as various glasses, magnifiers, telescopes, microscopes, cameras, video cameras, lens parts, etc., can be cleaned by ultrasonic. 2. Jadestone and ornaments processing industry: In the grinding and polishing process, a large amount of dust and dirt will adhere to the jadestone and ornaments. These workpieces are often complex in shape and have many gaps. The traditional cleaning methods are often ineffective. Ultrasonic cleaners can clean to places that cannot be reached by humans, so as to clean them. 3. Maintenance of communication equipment and electrical appliances: The precise circuit boards and spare parts of electrical appliances such as mobile phones, walkie-talkies, walkmans, etc. are cleaned with an ultrasonic cleaner combined with anhydrous ethanol to obtain a dust-free and pollution-free cleaning effect. 4. Medicine units and colleges: cleaning of various equipment such as surgical instruments, dental dentures, dental models, mirrors, beakers and test tubes for laboratory experiments, etc. The mixing and compounding of various pharmaceutical reagents can improve efficiency. Improve cleanliness, accelerate chemical reactions and shorten time. 1 x Cleaning Machine