Pulse Oximeter Fingertip, Blood Oxygen Saturation Monitor Fingertip, Blood Oxygen Meter Finger Oxime ter Finger with Pulse, O2 Monitor Finger for Oxygen About this item Pulse Oximeter is a portable, convenient, non-invasive device, used for monitor arterial hemoglobin oxygen saturation(SpO2) and pulse rate The pulse oximeter is CE0123 Certified and comes with a 1-year warranty It is small in volume, lightweight and easy to carry. One button and easy to operate. There are three modes: Power off, sleep, and Measure. It automatically turns into sleep mode within 8 seconds after there is no signal. Press the operating button to activate oximeter(Measuring mode) from sleep mode We recommend index Finger, middle finger, and ring finger are suitable position for a monitor. The personal application is designed for adult patients (Weight >30 kgs) and pediatric patients (weight:20-30kgs) Proactive: low battery indicator lets you know before your batteries stop working. LINK TO BUY CLICK