Model BP710. No. 1 doctor recommended brand. Clinically proven accurate. One Touch Use: Easy one touch operation allows home blood pressure monitoring that is both simple and accurate. Irregular Heartbeat Detector: This monitor can detect irregular heartbeats while your blood pressure is being measured. If an irregular heartbeat is detected, an indicator icon will appear, alerting you so you can consult with your medical professional. 14 Memory Storage: 14 memory storage allows you to review the last 14 readings with a touch of a button. The 3 Series: Easy as 1-2-3 taking your blood pressure at home is easy. Sit with your feet on the floor and your upper arm exposed. Wrap cuff around upper arm and rest arm on table so cuff is level with your heart. Press start, cuff will inflate. Review your results in about 30 seconds. Contains: 1 digital automatic blood pressure monitor; 1 contoured arm cuff (fits arms 9 - 13 inch in circumference (large cuff (fits arms 13 - 17 inch in circumference) sold separately) in circumference; 1 illustrated English/Spanish instruction manual; 1 quick start guide. Operates 4 AAA batteries (not included). Made in Vietnam.