NEW OLED CMS50N Finger Pulse Oximeter Fingertip Oxygen Monitor SPO2 PR contec

(SpO2 error is ±4%, pulse rate error is ±2 bpm or ±2%, whichever is greater. 2) SpO2 and Pulse Rate display,Pulse Rate waveform and bar graph display. 4) Screen brightness adjustable. Working current: ≤30mA.

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