Excellent measurement accuracy (parameter)
SpO2:
Measurement range: 70%-99%
Accuracy: ±2% on the stage of 70%- 99%, Unspecified(≤70%)
Resolution: ±1%
PR:
Measurement range: 30BPM- 240BPM
Accuracy: ±1 BPM or ±1%
Power Supply: 2AAA 1.5V batteries
Dimension: 60*35*35mm