OMRON M2 home blood pressure monitor has a straightforward one button operation and can store your last 30 readings. Intellisense technology ensures the cuff reaches the correct inflation and doesn't pump up too high and cause discomfort. As well as clearly displaying your blood pressure reading, the M2 also indicates if an Irregular heartbeat is detected and the cuff has been wrapped correctly while taking the measurement. The device has proven reliability and accuracy under testing procedures of the European Society of Hypertension and comes with a three year warranty.