This is newly redesigned in 2015 with major improvements made to the previous pulse oximeter model. New two-way display feature allows you to read in two different directions. It will accurately determine your blood oxygen saturation levels, pulse measurements, fast SpO2 readings and perform it conveniently on a high digital LED display. It is suitable for sports enthusiasts like mountain climbers, bikers, skiers, anyone interested in measuring their SpO2 and pulse rate.