The Braun WK 500 was (lightning fast) already delivered one day after the order and is used since almost daily. As described on the product side, he cooked 200 ml of water within 35 seconds. How often boil so about 1 liter of water for tea for he need plus-minus two minutes. This is very very fast with which we've boiled the kettle, especially when compared to the method, namely the kettle on the stove (gas cooker). The Braun WK 500 looks good and is not as usual in China produces special and made in an EU country (Czech Republic). The manual is simple and easy to understand. We are Braun WK 500 very satisfied with the and can only recommend to anyone this device!