Adopt LCD supersized number digital display.The Blood Pressure Machine is fully automatic, just need to press one ¡®Start¡¯ button to measure your blood pressure and heart rate. All process just need 45 sec.Support USB charging and battery without worrying about power supply. Device Bag Included,no matter traveling or at home, monitoring your blood pressure/ heart beat in time.Suitable for standard and large adult arms from 22 cm (9 inches) to 40 cm (16 inches).