1   COLOR OLED display, four direction adjustable.

2   SpO2 and pulse monitoring, and Waveform display.

3   With menu operation.

4   With beep and alarm.

5    Low-power consumption, continuously work for 50 hours.

6    Small in size, light in weight, and convenient to carry.

7   Low voltage alarm display, Auto power-off.

8    Runs on standard AAA batteries.