The UA-767S is also the successor of the UA-767 series for single user focused on "Simple operation". Ease of use as it is, new feature %IHB is installed, also the number of memory has been upgraded to 60. Features Latex and metal free, SlimFit Cuff (22-32cm)- UA-767S Latex and metal free, Wide Range SlimFit Cuff (22-42cm)- UA-767S-W %IHB Indicator to show frequency of Irregular Heartbeat Cuff Fit Error Indicator Movement Error Indicator WHO Blood Pressure Classification Indicator 60-memory + Average Reading