FEATURES
·Tiny and light very convenient to carry and use
·Easy operation of fingertip measurement with one-key control
·Excellent anti-interference performance
·Measure and display parameters of oxygen saturation(SpO₂)，pulse rate(PR)and perfusion index(PI)
·Synchronous display for pulse column and plethysmogram
·Color OLED display with 4 directions & 10 modes
·MIDI alarm for dangerous result and low voltage
·Automatic start measuring by finger detection and automatic  power off after finger out
·3.6V rechargeable coin cell power supply with charger