Deluxe OLED is used for handheld pulse oximeter needs. Pulse Oximeter allows health practitioners, professionals, and at-home users to assess the oxygen levels of a patient’s blood with ease. As a non-invasive means of determining a patient's oxygen level and checking in on patient needs, the Pulse Oximeter is a handheld device that is quick, portable, and easy to use. Easy to read LCD screen, Sp02 and pulse readouts, trend saw tooth graph display on screen. EASY TO USE. With just placing your index or middle finger on the pulse oximeter for a few seconds, you can already read the results of your blood oxygen levels and your pulse rate. Perfect for monitoring use even at home. NON-INVASIVE. Instead of drawing blood and waiting for a specific time for the results, pulse oximeter employs the use of a sensor to detect blood oxygen levels and provides result for only a short period of time. GREAT DISPLAY. Deluxe OLED is an easy to read LCD screen providing Sp02 and pulse readouts, showing trend saw tooth graph display on screen. PORTABLE. This pulse oximeter is built in a perfect size to be handheld and to bring anywhere. Being battery-powered, it allows easy monitoring to be done in any location. QUICK RESULTS. Pulse oximeter provides results for blood oxygen levels and pulse rate in only a few seconds, convenient for frequent monitoring.