Pulse Oximeter Fingertip Sensor was developed for high accuracy and simple usage for both doctors and non-medical use. Equipped with heart rate pulse & SpO2 measurement, this product is useful for monitoring the oxygen concentration in blood and the health of patients during respiratory diseases. The Pulse Oximeter is a portable, convenient, non-invasive device, used to monitor arterial hemoglobin oxygen saturation (SPO2) and pulse rate. The personal application are adult (weight: >30kg) and pediatric (weight: 20-30kg). Index, middle, and ring fingers are suitable for this device.