4-direction display
Features:
•It is lightweight, small in size and easy to take;
• Accurately measures Sp02 value and Pulse Rate value;
• Dual color display of Sp02, PR, PI, Plethysmogram and Pluse Bar;
• Innovative 4 directions display;
• Automatic Power On/Off;
• More than 30 hours continuous working time with 2 AAA alkaline batteries;
• Audible & visible alarm function.