AFK YK-011 Finger Clip Oximeter Blood Oxygen Saturation Detection Heart Rate Monitor(Gray)

main feature:1. Small size, light weight, easy to carry2. Simple and convenient to use, low power consumption3. Numerical display of blood oxygen saturation4. Pulse rate value, bar graph display5. Pulse waveform display6. Battery level indicator7. Automatic 4-direction screen rotation8. Automatic shutdown function: in the state of the measurement interface, it will automatically shut down after 8 seconds without a fingerparameter:1. Display mode: OLED display or LCD display2. The display range of pulse oxygen saturation is: 0%-100%, and the display range of pulse rate is: 25BPM-250BPM3. Accuracy: blood oxygen saturation is +/-2% in the 70%-99% range, less than 70% is undefined; pulse rate is +/-1% or +/-1BPM4. Power consumption: not more than 30 mA5. Battery: 2 AAA batteries (not included)6. Dimensions: 57.2 x 31.5 x 32.5 mm10. Weight: about 25 grams