Accurately keep contents at preset temperatures of 195°F (90°C), 175°F (80°C), 160°F (70°C), and 115°F (45°C) for up to 6 hours. When liquids have reached boiling point, the kettle shuts off automatically as a safety feature. A clear glass carafe allows for easy viewing and clean operation. The plastic outer layer protects your fingers from getting burned.