Specifications: BJH25-A / 2.5 Liter / 550 Watts BJH35-A / 3.5 Liter / 650 Watts The Herbal Kettle brews herbs, teas, or medicinal tonics. You will find that our Purple Clay has excellent steeping qualities, which retain flavor, heat, and nutrients. Description: 1. Double-Kettle design; outer kettle housing, with removable inner Purple Clay kettle 2. Computerized Kettle has 4 (IC) controlled brewing functions, with one-touch keypad 3. On/Warm function keeps your brew at the right temperature for hours. 4. Purple Clay is a natural preservative, which keeps your brews tasteful for longer periods. 5. Inner kettle suspension allows heat to circulate around the kettle, instead of only the bottom. 6. Includes: Kettle outer housing, Hand-crafted Purple Clay Kettle, Power cord, Measuring Cup, Brewing/Steeping Bag, and Instruction Manual.