This Advanced Wrist Blood Pressure Monitor WBP3 has been clinically validated. Averaging your last 3 readings as per the BHS guidelines and indicating if an irregular heartbeat is detected. With a positioning sensor to ensure accurate readings and with a simple classification scale which helps to make managing your blood pressure easier, with 2 x 60 reading memory it is perfect for multiple users. In Association with St John Ambulance. Clinically validated. 2 x 60 User Memory - 13.5-21.5cm cuff - Positioning Sensor - Irregular Heartbeat Detection - Averages Readings. Date and time of reading. One button operation. Irregular heartbeat detector. Batteries required: 2 x AAA batteries included. EAN: 5016870225318.