Fingertip Pulse Oximeter with Plethysmograph and Perfusion Index, Include Carrying case, Large OLED Digital Display Blood Oxygen Saturation Monitor Heart Rate Monitor (Color: Red-Orange) uVernal Note:Allergic skin groups please do

Note:Allergic skin groups please do not buy

I will help you answer them as soon as possible

No need for DEET sprays or lotions

swelling and heel spurs

Fingertip Pulse Oximeter with Plethysmograph and Perfusion Index, Include Carrying case, Large OLED Digital Display Blood Oxygen Saturation Monitor Heart Rate Monitor (Color: Red-Orange) uVernal Note:Allergic skin groups please doBrand: Amemo Color: Red Features: ACCURATEMedical oximeter only requires pulse oximeters to have SpO2 accuracy of 2%, the A320E fingertip pulse oximeter deviates less than 1% under lab conditions. Upgrade LED and sensor allows SpO2 (Blood Oxygen Saturation level) and pulse rate measurement at low blood perfusion index. Plethysmograph and Perfusion Index can help you to judge whether your measured SpO2 and Pulse Rate is properly. RELIABLEFrom the ABS