OxyCheck Fingertip Pulse Oximeter provides a simple way to spot-check users by combining the sensor and monitor into one integrated, compact, easy to use device. The oximeter measures pulse oxygen saturation (SpO2) value, pulse rate value, and pulse strength. When a finger is inserted into the sensor? rubber cushion, the SpO2 value automatically displays. The pulse bar graph displays the user? pulse beat, and the bar graph? height shows pulse strength. The oximeter, which is powered by two AAA batteries, features a lowbattery indicator and powers off automatically in eight seconds when not in use.The pulse oximeter has no alarms. Do not use the pulse oximeter in situations where alarms are required. It is not for continuous monitoring. The pulse oximeter is intended only as an adjunct in user assessment. It must be used in conjunction with other methods of assessing clinical signs and symptoms.Use under strict guidance and medical supervision.