Description: Brand Name: FYTRONIX Model Number: 22b Size: adult oximeter Application: Finger Product name: Fingertip Pulse Oximeter Measurement range: SpO2: 45-100% Pulse Rate: 25BPM-250BPM Display Type: Color OLED display The functions of the oximeter: Blood oxygen saturation (Spo2), pulse rate (PR), bloodperfusion index (PI) Description: The Finger Pulse Oximeter is used to measure pulse rates andblood oxygen saturation levels. It can be used for daily use, control your health at anytime.