fMedel OXYGEN PO01 pulse oximeter measures Oxygen Saturation (Sp02)and Heart rate (pulse). Small and light, for use at home and on the move. It comes with an easy-to-read display with 4 different views available, suitable for persons with: heart failure, chronic obstructive pulmonary diseases, bronchial asthma, Class IIa Medical Device, Low battery indicator, Automatic switch-off.