--- PI Indicator: Perfusion Index. It reflects the amount of
blood flow being measured by the oximeter. A health care
professional tests blood flow to establish norms and aid in
identifying changes in a patient's condition.
--- Multi-direction display: Rotatable multidirectional display
. 4 directions,
--- Alarm function: Set the alarm and beep according to
your needs. There will be a warning once the measured
values go beyond the setting. Know it immediately.
--- Long battery life: 1) Low-power consumption,
continuously work for 6 hours. 2) In the absence of signal,
the product will be in after 8 seconds to enter standby state.
