Features:
Easy to use with one-key operation
Portable and lightweight
SpO2, pulse rate, and PI (perfusion index) monitoring
Histogram of pulse rate and waveform of plethysmograph
Bright color OLED screen with Multi-direction display
Automatic power-on and power-off function
Audible and visual alarm of SpO2 and pulse rate
Two AAA batteries are required for operation with low power consumption
