Rapid Boil & Energe Efficient: Boil faster (1.5L in 4 minutes) and save energyLED Indicator: This blue LED indicator lets you know the water is heating, making it easy to boil water even in a dark kitchenStainless Steel Materials: High-quality borosilicate glass, and 304 stainless steelSafety Features: British STRIX thermostat technology, automatic shut-off, boil-dry protection, and 100% BPA FreeEasy to Clean: The large opening for quick and easy cleanup of any residue or limescale (Hint: use lemon juice or baking soda)