LPOW Pulse Oximeter Fingertip, OLED Display, Blood Oxygen Saturation Monitor (SpO2) and Pulse Rate

How to use LPOW pulse oximeter Remove the battery cover and insert the two AAA batteries following polarity marking indicates inside of the battery compartment, then reposition the cover Slide your finger into the opening probe of the device, until the fingertip touches the built-in stop guide. For best results, make sure the finger is centered within the finger guide Press the button to activate the oximeter from sleep mode and then measurement interface will appear in 3 seconds The measurement result will be read directly from the screen within 8 seconds The oximeter will turn into sleep mode automatically within 10 seconds after the finger left the probe