These simple wrist-monitoring devices have a compact, portable design that offers extra convenience for those who want to measure blood pressure while travelling or at work ; Body Movement Detection ; Irregular Heartbeat Detection ; Morning Average Indicator ; Average for last 2-3 readings within 10 minutes ; LCD Display: Yes;Positioning of the wrist in alignment with your heart is key to blood pressure measurement with this type of unit. The position indicator notifies you when bp monitor is at the correct height, can easily adopt the right posture for accurate reading. The Cuff Wrap Guide function tells you via illuminated indicators whether the cuff is too loose or wrapped correctly. Correct measurement can also be confirmed via text message or symbols on the display.; Irregular Heartbeat Symbol will appear on the display with the measurement values if machice detects any irregular rhythm. An irregular heartbeat rhythm is defined as a rhythm that is 25% fast or slow from the avg rhythm detected while bp Monitoring It has Body Movement Indicator feature. The Movement Error Symbol is displayed if you move your body during the measurement. Please remove the arm cuff, and wait 2-3 minutes. Take another measurement, remain still during inflation. It has a Memory Function and automatically stores up to 60 sets of measurement values (blood pressure and pulse rate). When 60 sets of measurement values are stored, the oldest record is deleted to save the most recent values. Display Type: Digital; Unit Count Type: Count; Item Weight: g 86; Batteries Required: True; Unit Count: 1; Warranty Description: 3 Years