Pulse Oximeter FingerTip OLED Blood Oxygen SPO2 Heart Rate Monitor FDA Free Case Santa Medical It has been built a gravity sensor that can rotate to display information in 4 directions. CMS50N Pulse Oximeter is a portable equipment adopting advanced technology, it mainly checks SpO2 and PR value through the finger, which provides advanced, non... AUTO OFF FUNCTION Our oximeter has a beep sound that can be adjusted for every imaginable heartbeat. Finger Pulse Oximeter by IMDK – CPAP Ninja The oximeter will automatically turn off within 8 seconds after receiving no signal. Just press the power button for 3 seconds to turn on/off the sound. Medical-grade LED And Sensor Enable Reliable Pulse Rate And Blood Oxygen Measurement, Even At Low Perfusion Levels Accurate and Reliable: OLED pulse oximeter can accurately measure your SpO2 heart rate (blood oxygen saturation levels) and pulse strength in 8 seconds. OLED Display: High definition can display pulse wave, pulse rate, bar graph, SpO2 level and battery level more clearly. CE and FDA certified, it is safe and reliable.