The La Sonic Jewelry Bath Kit uses an electro-sonic cleansing technology to clean rings, necklaces, bracelets and more. The clear tank has two bathing attachments and you can watch the jewelry being cleaned. It"s compact (measures 4 1/4" x 2 1/8" 5"), making it easy to use, store and transport. Machine comes with two bathing attachments, a single-use cleaning solution packet and instruction booklet, plus 8 ounce bottle of La Sonic Cleaner Concentrate. Uses four AAA batteries (included). One-year limited warranty.