Finger Tip Pulse Oximeter With Audio Visual Alarm

measures quickly and accurately pulse rate and spo2 blood oxygen saturation of arterial hemoglobin levels. Accurately determine your spo2 (blood oxygen saturation levels), fast spo2 readings, pulserotatable multi directional display, allows you to view your results in any direction plus pulse wave, pulse rate, bar graph, spo2 level and battery levellight and compact, accommodates wide range of finger sizes, long battery life