The handy water level indicators, including one-cup indicator, make sure that you only boil the amount of water that you need, saving both energy (one cup of water 250ml vs 1L) and water and helping to contribute to a better environment A removable micro-mesh filter on the spout captures tiny limescale particles as small as 200 microns to ensure a clear cup Elegant indicator light incorporated in the power switch illuminates when the kettle is turned on Multi safety system against boil-dry, with autoswitch off when the water is ready A concealed stainless steel heating element ensures fast boiling and easy cleaning A push-button lid opens smoothly at the touch of a button, avoiding steam contact. The large opening simplifies cleaning