Fingertip Pulse Oximeter | SpO2 Blood Oxygen Saturation Monitor, Four Directional OLED Display for Home Care -Blue

By Brand : U/B

* Quality OLED Display * OLED display is large and bright. Long press button to adjust the brightness of the screen. From darkness to bright sunlight, this OLED display can be easily and clearly viewed in any environment. *Easy to Operate *It's only necessary for users to put one of his fingers into the fingertip photoelectric sensor for diagnosis, and a display screen will show measured values of SpO2 (oxygen saturation level), pulse rate and heart rate waveform in about 10 seconds without the need of a professional. *How to Install the Battery Even though the two springs are on the same side, the two batteries are still required to be installed in opposite directions.And the package doesn't include the battery. *How to ensure the accuracy of your measurement? 1?Moving too fast will affect the accuracy; try to stay still while waiting for your reading. 2?When the oxygen saturator and the heart are at the same level, the measurement results are optimal. 3? Avoid nail polish or long nails on the finger used for the reading. Fingers should not be wet at all either. 4?Ring finger, middle finger and index finger are recommended as suitable monitor position