Two parameters:SPO2, Pulse Rate.
1. COLOR OLED display, four direction adjustable
2. SpO2 and pulse monitoring, and Waveform display
3. Low-power consumption, continuously work for 50 hours
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
With 8 hours of sleep detection and PI function