Ub-525 Automatic Wrist Blood Pressure Monitor. A simple to use, easy one button operation wrist blood pressure monitor, with lightweight, compact design, extra-large, easy to read LCD, and fast measurement. ? 60 readings memory recording for recording trending Average reading function World Health Organisation (WHO) Blood Pressure Classification Indicator IHB Irregular Heart Beat indicator Clinically Validated 5 year warranty (excluding batteries cuff) Takes 2x AAA batteries