The OMRON 3 Series Wrist home blood pressure monitor is designed for accuracy and stores 60 blood pressure readings for one user. 
Features
Memory Storage:
stores up to 60 blood pressure readings at a time for one user
Irregular Heartbeat Detection:
informs you when your heart beats irregularly, which is vital information to track and share with your healthcare provider
Hypertension Indicator
displays a “HIGH” symbol if your systolic (upper) measurement reaches 130 mmHg or above, and/or if your diastolic (lower) measurement reaches 80 mmHg or above
Cuff Wrap Guide
alerts you if the cuff is wrapped too loosely on your wrist
Advanced Averaging
automatically displays the average of up to the last three readings taken within the last 10 minutes
Wide-Range Cuff