Sphygmomanometer - rather than estimating measurement

With this device, I was unhappy from the outset. With multiple measurements these have a considerable scatter, some also appear unrealistic measurements. Storing multiple measurements for more than one person is a nice feature, but meaningless if they are stored measurement results simply wrong. After two years the unit was then finally over - it pumped and pumped and pumped - and if I had not thrown away there, it would pump today. One star refers to the former prompt delivery and has nothing to do with the device quality of 'measurement' ...