Three parameters:SPO2, Pulse Rate, Perfusion Index(PI)
1. COLOR TFT display, 4 direction adjustable
2. SpO2 and pulse monitoring, and Waveform display
3. Low-power consumption
4. Small in size, light in weight, and convenient to carry
5. Low voltage alarm display, Auto power-off
6. Runs on standard AAA batteries
7. PI function