How to Use: 1. Attach 2 AAA batteries, paying attention to the positive and negative terminals. 2. Press the suction cups to fix them on the table, add some water to the suction cups to make them stronger. 3. Put in the product to be cleaned, add a little detergent and close the lid. 4. Press the switch and remove after about 3 minutes. Specification: Item Type: Jewelry Cleaner Machine Material: ABS Washing Machine Size: Approx. 20.8x9.5x7cm / 8.2x3.7x2.8in Washing Machine Inner Tank Size: Approx. 15.8x6.3cm / 6.2x2.5in Battery Specification: 2 x AAA Batteries, Shipped Without Batteries Washable Items: For glasses, jewellery, make up brushes, watch straps, toys, cutlery, razors, pens, toothbrushes, nail clippers, combs, etc. Do not use this machine for valuable items. Package List: 1 x Jewelry Cleaner Machine (Battery Not Included) 1 x Contact Lens Box Note: Please allow for some errors in manual measurements.