The UA-767F is the 3rd generation of the UA-767 series with new design and innovative features focused on user-friendliness for family use. It has independent memories for 4 users (60 x 4) and newly added %IHB function, which will help users to check the frequency of Irregular Heartbeat. Features Latex and metal free, SlimFit Cuff (22-32cm)- UA-767F Latex and metal free, Wide Range SlimFit Cuff (22-42cm) - UA-767F-W %IHB Indicator to show frequency of Irregular Heartbeat Cuff Fit Error Indicator Movement Error Indicator WHO Blood Pressure Classification Indicator 4 user memory (60 x 4) + Average Reading