Details

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Function:
•Voltage : DC 3.0V
•Low voltage indicator
•Pulse waveform display
•Power : 2 x AAA Battery ( Not Included)
•5 Seconds auto shut down
•2 direction display adjustable
•8 seconds fast measurement
•Measurement range : 30~250BPM
•Measurement accuracy : ±2BPM or ±2%
•Blood oxygen measurement range : 5%~99%
•Blood oxygen measurement accuracy : 70~99%, ±2%