Two parameters:SPO2, Pulse Rate.
One waveform: SPO2 waveform (PLETH). 64k COLOR OLED Display, Four Direction adjustable SpO2 and pulse monitoring, and Waveform display Easy to use with one-key operation Small in size, and easy to carry Low voltage alarm display, Auto power-off Light weight of 55g(batteries included) Runs on standard AAA batteries |