All NEW Ultrawave Spa model has Smoke-Grey transparent top, and comes with removable Tray-Basket and Brush (limited introductory FREE Jewelry Polishing Cloth and 4oz bottle of Jewelry Cleanser Concentrate) all included in kit box -- perfect combination to clean any small fine object or even antiques safely with sonic waves, for thoroughly beautiful results every time. Compact and portable, approximately 7 1/2" x 5" x 4 1/4" (190.5 x 127 x 108 mm). Powered by 4 AA batteries (not included).