Easy to use does what it should. It measures the temperature of breast milk / porridge directly, is easy to rinse and the stored target temperatures make it extremely easy. One star deduction because we annoys the duration beeping. Ex .: If set as the target temperature 37 ° C, it begins -glaube I- already at 35 ° C to beep on. If the milk is then heated slowly, you may take several minutes of continuous beeping in the ear.