Arzum Leziz is just perfect and just the water always hot when you use it warm Stop function, not just 30-40 minutes max. The device works regrettable with the lowest power consumption to one off him. If there is no more water in the boiler, it switches itself off. If you forget to turn it off, the device switches itself off after there is no more water. And water level indicator is made of cheap plastic none I believe. This sculpture in the inner side consists of two small dots (about 1 mm) so the water can run through water level indicator. So water does not contact with the entire level indicator points but only by two small. I think that's very good.
In addition, kan man to follow the standard 1.5 lt of water completely filled without waiting it, that it is empty. If some water is still available for a cup of tea, you can all 1.5 lt area empty of water. The other one has to be careful because this is too much and the water which max. überlaeuft level, if you do not empty the whole water