It is crafted with high-quality glass to ensure your drinking water is safe and tastes pure. Automatic shut off function upon boiling and the boil-dry protection prevents it boiling if there is insufficient water present or if its empty. The switch on the kettle can be located with ease; the indicator light further supports the turn-off function. This light tells whether your device is in operation or not. The automatic turn-off feature also works for overheating. It shuts down the device when it is over a certain temperature limit.