PULSE OXIMETER AT THE FINGERTIP: Measures Oxygen Saturation (SpO2), Heart Rate (PR), Perfusion Index (PI) & Pulse bar HIGH QUALITY OXIMETER: With its professional precision, this oximeter is the best tool to help you follow the evolution of your oxygen saturation (SpO2) EASY TO USE: Place your finger in the tip for a few seconds then remove it. Measurements will be displayed clearly on the two-color OLED display. Easy measurement with one button EASY TO READ DISPLAY: Easy-to-read screen swivels in 4 directions. Low battery indicator. Automatically shuts off. QUICK, COMPACT AND TRANSPORTABLE: This pulse oximeter is practical for monitoring the state of health of people suffering from respiratory diseases such as bronchitis, asthma or pneumonia