All the essential functions for blood pressure monitoring in a smart compact unit. The UA-651 was designed with A&D's original concept of blood pressure monitors for easy and accurate monitoring in mind. With a 3-line display and one-touch operation, it retains our fundamental principle of designing easy-to-use monitors. UA-651 is also equipped with our world leading technologies: IHB and WHO classification indicators. In addition, the latex-free and metal-free SlimFit cuff will provide more comfortable measurement for sensitive skin. Features Latex-free and metal-free SlimFit Cuff (UA-651?22-32cm / UA-651SL?23-37cm) Irregular HeartBeat (IHB) indicator WHO Blood pressure classification indicator 30 record memory + average reading