Accurate Readings: Pulse oximeter provides accurate SpO2 (blood oxygen saturation) and pulse rate measurements in seconds. Oxygen monitor finger adults is equipped with a high-definition LED color screen that displays clear and easy-to-read measurements.Small and Light: This oxygen is small and light, easy to use. Just put your finger into the oxygen monitor to display your blood oxygen level and heart rate in seconds.Clear Data Display: Blood oxygen monitor screen displays clear numbers that are easy to read even for the elderly. Finger pulse oximeter has no glare at night, and you can clearly see the measurement results even in low-light environments.Energy-saving: Fingertip pulse oximeter requires 2 AAA batteries for power and automatically shuts off after 8 seconds of inactivity to save battery life. (Batteries are not included in the blood oxygen monitor finger package)Wide Range of Uses: This finger oxygen monitor is perfect for adults, at home or during exercise. Oxygen level monitor can help track your blood oxygen level and heart rate regularly.