Deluxe Fingertip Pulse Oximeter with Perfusion Index

This Deluxe Fingertip pulse oximeter shows your measured SpO2 and Pulse Rate on a high quality OLED screen and come with two critically acclaimed features, the Plethysmograph and Perfusion Index (PI), that will improve the reliability of the readings dramatically. The plethysmograph informs you when the pulse oximeter is optimized while the PI conveniently informs you of the strength of your pulse. If the PI value is less than 0.2%, this means that your hands are too cold or improperly

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