Four keep warm temperature settings (160°F, 175°F, 195°F and 208°F) for brewing various types of teas Rust resistant stainless steel interior Energy-saving timer function (6-10 hours) and safety auto shut-off prevents boil dry Control panel displays actual water temperature at all times Free of PFAS (including PTFE and PFOA) and BPA on all areas that come into contact with food or beverages