The Newly upgraded Santamedical Generation 3 Deluxe Pulse oximeter has 2 way display now. Be default, display faces the user. At the touch of button, display faces away from user. FDA Approved Santamedical SM-110 oximeter provides reliable oxygen saturation and heart rate values without compromising accuracy. The SM-110 is for anyone who is interested in knowing their oxygen saturation and heart rate. It can be used by a variety of sports enthusiasts, including mountain climbers, hikers, skiers, bikers, and others interested in measuring oxygen saturation and pulse rate and is not for medical use.