Quick overview from the supplier:
Blood Pressure Arm Esperanza STAMINA ECB005, Measurement of the systolic (SYS) and diastolic (DIA) blood pressure and pulse (P), Detection of cardiac arrhythmia, Pressure measure range: 0—300 mmHg (0-40 kPa), Pulse: 40 – 199 beats, Pressure: ±3mmHg (0,4 kPa) in enviroment temp. 15-25 °C, ±6mmHg (0,8 kPa) in enviroment temp. 10-14 °C i 26-40°C, Pulse: ±5%, 90 memories recall with date and time, Automatic inflation and air release of the cuff, Large LCD display, Source 4 x AA batteries, 1.5 V (not included), USB - USB C cable 50 cm
