Vibeat Fingertip Pulse Oximeter, Blood Oxygen Saturation Monitor| O2 Meter, Portable SPO2 & Pulse Rate Monitor, Batteries and Lanyard Included

【High Accuracy】Our Finger Oxygen Monitor features the research-grade photoplethysmograph technology that uses infrared light to sense body movement and gather the necessary information to determine high-precision reliable signs.
【Instant to Start】Wear the oximeter to start. Measures blood oxygen saturation, pulse rate, perfusion index and pulse waveform in few seconds and display it on the OLED screen.
【Warning Function】If your blood oxygen is lower or your pulse rate is lower/higher than the preset threshold, this finger pulse oximeter will remind you with a buzzer, and the corresponding reading will flash on the screen.