Pulse oximeter for determining arterial oxygen saturation (SpO2) and heart rate (pulse frequency). Use it for simple and completely without pain-Small and light-for use at home and on the move. Suitable for sports at high altitudes (e. g. mountaineering, skiing and aviation sports) Display with 6 available views Highly readable color display Graphical display of pulse belt pouch. -High durability-automatic power off-Fingertip Pulse Oximeter-pulse waveform display-High accuracy-SpO2 Pulse rate-Battery Low Indicator-Ideal for Adults.