At first I got a great Schrekc: Blood pressure too high. It istimmer exactly comply with the same position from the arm, otherwise the result is true. In addition, the supplied batteries had expired. Wanted to leave me a set of Amazon reimburse batteries, return the leaking batteries or the whole device makes no sense, but this case does not Amazon before. Therefore, the batteries went today to the post office by return slip. Ansonten does the unit is precisely followed the measurement position its service. Here you get when you create the belt always adhere to the buttons so that the device turns on immediately. The voice acting is well understood and was the reason for my purchase. Overall, however, still only three points.