Tec.bean Fingertip Pulse Oximeter Blood Oxygen Saturation Monitor

NEWLY UPGRADED & FDA APPROVED- Accurate and reliable in professional tests, measures quickly to show pulse rate and SpO2 blood oxygen saturation of arterial hemoglobin levels.NEW ALARM FEATURES- Auditory Beeps for every detected pulse; auditory alarm to warn you when your SpO2 and pulse rate are beyond set limits. You can set the limit by yourself.BRIGHT & COMPACT- Bright double color OLED display shows you the data any time you need. Lightweight, easy to carry & accommodates a wide range of finger sizes.EASY-TO-USE- The display can be adjusted to face 4 different directions and the 6 display modes show real-time pulse rate, pulse rate bar, and SpO2 level.ACCURATE AND RELIABLE- Accurately monitors SpO2 and pulse rate while on the move, suitable for mountain climbers, skiers, bikers, aviators, or anyone interested in measuring their SpO2 level.Accurate and Reliable - FDA and CE Standard:SpO2 Range: 70% - 99%； Resolution: +/- 1%.Pulse Rate Range: 30-240 bpm； Resolution: +/- 1