Fingertip Oximeter Detect SpO2 pulse rate value Power management function Audible & visible alarm function 50 hrs working Fingertip Oximeter/pulse oximeter/medical instrument Features:a) It is light, small in size and easy to carry.b) Digital LCD(with LED backlight)display of SpO2, PR,Pulse Barc) Real-time store and recall SpO2 and Pulse Rate valued) Up to 12 hours of oximetry data storage ( ...