Large, east to read LCD display. 2 x 60 memory spaces. Arrhythmia detection: warning to detect heart rhythm disturbance. Cuff size for wrist 13.5 - 19.5cm. Date and time / Automatic switch off. Signal in case of application error. Automatic pressure preselection and deflation. Battery changing indicator. Incl. 2 x AAA batteries. 2 year guarantee.