Measures quickly and accurately pulse rate and spo2 blood oxygen saturation of arterial hemoglobin levels. Accurately determine your pulse measurements and display it conveniently on a large digital bright LED display. Rotatable multidirectional display, allows you to view your results in any direction pulse wave, pulse rate, bar graph, spo2 level and battery level
NOTE- 2 AAA batteries required which includes in package. The oximeter automatically powers off after 10 seconds of inactivity and can be operated continuously for more than 20 hours.