Amazon.com: Pulse oximeter fingertip with Plethysmograph and Perfusion Index, Portable Blood Oxygen Saturation Monitor for Heart Rate and SpO2 Level, O2 Monitor Finger for Oxygen,Pulse Ox,Oximetro,(Red-Orange) : Health & Household
CKeep Fingertip Pulse Oximeter with Respiration, Portable Spo2 Sensor, Portable Lanyard and Batteries Included - Walmart.com
Medical-grade adult and pediatrics handheld pulse oximeter, accurate measurement of SpO2 and pulse rate. Professional choice for clinics and family care. – Wellue
Fingertip Pulse Oximeter SpO2 Oxygen Saturation Monitor | Surgical Mart