Haier HU780BW 16-Ounce Programmable Ultrasonic Jewelry and CD Cleaner, Blue Ultrasonic jewelry and CD cleaner offers chemical-free way to clean valuables 48,000 Hz of power; 16-ounce stainless-steel tank; works with ordinary tap water Automatic 3-minute cleaning cycle; basic on/off buttons; "on" indicator light Clear lid; plastic housing; includes dual DVD/CD holder, watch stand, and removable tray Measures 8 by 6-1/2 by 6-1/2 inches