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

main feature:
1. Small size, light weight, easy to carry
2. Simple and convenient to use, low power consumption
3. Numerical display of blood oxygen saturation
4. Pulse rate value, bar graph display
5. Pulse waveform display
6. Battery level indicator
7. Automatic 4-direction screen rotation
8. Automatic shutdown function: in the state of the measurement interface, it will automatically shut down after 8 seconds without a finger

parameter:
1. Display mode: OLED display or LCD display
2. The display range of pulse oxygen saturation is: 0%-100%, and the display range of pulse rate is: 25BPM-250BPM
3. Accuracy: blood oxygen saturation is +/-2% in the 70%-99% range, less than 70% is undefined; pulse rate is +/-1% or +/-1BPM
4. Power consumption: not more than 30 mA
5. Battery: 2 AAA batteries (not included)
6. Dimensions: 57.2 x 31.5 x 32.5 mm
10. Weight: about 25 grams