Medical grade accurate and reliable. This unit can measure and monitor your heart rate, SpO2 and pulse intensity with high accuracy. Displays waveform (plethysmograph) and digital readings, as well as pulse bar graphs, to visually indicate any irregularities or abnormalities, such as weak heartbeat.  to use, simply Insert your finger into  the pulse oximeter and press "on". Excellent  for exercise recovery, elderly, hikers, climbers (monitor the oxygenation rate of cells, for overall health). Essential to take reading without moving the body or hand to obtain accurate result. NOTE: This oximeter is  NOT intended for medical use.

With 2 year parts and labor warranty.