Measurement at Low Perfusion: The values of SPO2 and pulse rate can be displayed properly when pulse saturation is at 0.4%.
Accuracy of SPO2:±4%
Accuracy of Pulse Ratio.±2BPM or ±2% (Select Larger)
Resistance to surrounding light:
Deviation is smaller than ±1% between value of Oxyhemoglobin measured in natural lighting indoor condition and present lighting sources and that measured in dark room.
Automatic shutdown function:The device will power off automatically within 5 seconds when there is no finger in the device.