Fingertip Oximeter Detect SpO2 and pulse Automatic start measuring Audible & visible alarm function 30 hours working time Fingertip Oximeter/portable pulse oximeterFeatures:a) It is light, small in size and easy to carry b) Accurately measure SpO2 value and Pulse Rate value;c) Monochrome OLED display of SpO2, PR, Pulse Bar and PI & Plethysmogram;d) Innovative 2 directions displaye) Automatic ...