Cuisinart PerfecTemp Porcelain Enameled Teakettles Perfect temperature control, the precise temperature gauge that is multi-colored and easy to read indicates the correct water temperature to provide the ideal cup of tea or coffee Premium construction, the porcelain enamel exterior and interior with iron core heats up quickly and retains heat well. Optimum benefits, the perfect brewing temperature yields the best tea flavor and allows the release of antioxidants Energy saving design reduces unnecessary boiling or re-boiling by always knowing the exact water temperature. Comfortable silicone grip stainless handle makes pouring safe and easy. And a pleasant whistling sound reliably signals boiling water