The UA-767F series has the core features users have come to know, such as clinically validated accuracy and Irregular Heartbeat (IHB) Detection, with the UA-767 line. They additionally feature the ability for up to four users to use the monitor while storing up to 60 results for each user. The AccuFit™ Plus Cuff System that provides a customizable cuff size for users, offers the width of both a medium and large cuff. The cuff also features a flexible inflation technology to provide a more comfortable inflation. The UA-767FAC has all the features of the UA-767F, with the additional benefit of an AC adapter being included with the monitor for those seeking an alternative to batteries. New useful features are added to the legacy product. The UA-767F series is for up to 4 users,and is for family use. Each memory bank stores 60 readings. The cuff is an advanced system called AccuFit™ Plus. The arm circumference covers both existing medium and large cuffs, and a gentle inflation mechanism gives users a comfort measurement