Amazon: excellent, simple and above all astonishingly fast processing! Product:'m absolutely happy with the balance, because it actually ermittel always the same weight. had recently a competing product, in which I weigh in tomorrow's each to form average of five try had because deviations of up to one kilo were normal. This level of soehnle contrast is very accurate and provides the same results, even if the posture times is different! even at this level is a tap to turn unnecessary ... great price / value, no frills tuned and extremely robust!