Fingertip pulse oximeter P3

A variety of colors are available SpO2 value displayPulse rate value display, bar graph display The display mode can be changed Screen brightness can be changed Low-voltage indication: low-voltage indicator appears before working abnormally which is Due to low-voltage, automatically power off function: when the device is under the state of measuring interface. it will automatically power off within 5 seconds if the finger falls out of probe Display format can be saved after power off