Made of robust and durable stainless steel both inside and out. Limescale filter: removable and washable, ensuring a consistently good cup of tea. Water level indicator with dual scale for maximum visibility and precise filling. Suitable for large quantities and individual cups. Convenient flip lid, intuitive to use; just press once. Thanks to the one-touch opening, the lid can be easily opened and closed. Fast boiling system: with the fast boiling system, you can boil water in just 45 seconds (for 200 ml of water). 4-way safety system: automatic shut-off when the temperature is reached, when the kettle is empty, or when removed from the base. The kettle has additional stability at an angle of up to 15°.