* Accurately measures SpO2 value and Pulse Rate;

*  B&W High brightness display of SpO2, PR, Pulse Bar and PI & Plethysmogram;

*  Innovative 2 directions display;

*  Automatic start measuring after putting finger into rubber cushion;

*  Power off automatically without signal for more than 8 seconds;

 *  More than 30hours continuous working time with 2AAA alkaline batteries

*  Audible & visible alarm function;

*  Low battery voltage indication.