This is a cleaner that uses ultrasonic waves to clean accessories, watches, and glasses. It's easy to operate and has been very useful. While it's in good condition, there is a scratch on a part of the panel, so please check the photos before considering a purchase. Please see the details below: With a large 600ml cleaning tank and a powerful 42,000Hz frequency, it easily removes dirt that is difficult to remove with regular cleaning, using only water. It's economical and environmentally friendly. 【Easy Operation & 5-Stage Timer Control】 Equipped with a digital LED timer display and a 5-stage timer (180, 280, 380, 480, 90 seconds), you can set the timer according to the degree of dirt. The remaining time is displayed in seconds on the LCD. It also has a vacuum switch to remove air from the tank and prevent oxidation. 【Includes 2 Attachments】 The two included attachments securely hold small items and watches, preventing them from getting wet. The lid is a transparent type integrated with the main unit, so you can check how clean the items are during cleaning. The main unit uses high-quality ABS eco-material, making it eco-friendly, stable, and corrosion-resistant. The cleaning tank uses food-grade 304 stainless steel, which is high-quality and impact-resistant. In addition, this product has passed the Electrical Appliance and Material Safety Law "PSE" conformity test, so you can use it with peace of mind. 【Various Uses】 Examples of uses: glasses, necklaces, earrings, bracelets, piercings, rings, tie pins, metal watch bands, outer blades of electric shavers, pen tips, rotring pens, brushes, combs, toothbrushes, watch bands, precious metals, accessories, dentures, tableware, daily sundries, etc.