The fingertip pulse oximeter by LPOW reads accurate oxygen saturation, pulse rate, and perfusion index. It is the perfect accessory for sport activities, mountain climbing, and those who need to monitor their blood oxygen circulation and heart rate. LPOW's finger pulse oximeter can determine body data in 8 seconds accurately. The fingertip clip uses a silica gel material which is simple to apply and soft on the skin. The oxygen meter comes with a lanyard, which makes it easy to carry on your persons.