Cardio A6 upper arm blood pressure monitor from Thomson. The equipment allows automatic measurement of systolic and diastolic pressure. It also allows the indication of the level of tension WHO classification. detection and indication of cardiac arrhythmia (irregular heartbeat). The design contains: LCD display: 36.6 x41.6mm. Multi-user (for use up to 2 people). Memory of 90 measurements per user. The power connection is with USB cable (Micro) or AA battery (x4). It also allows automatic calculation of the average of the last 3 measurements.