Children's finger pulse oximeter to check blood saturation (Sp02) level and pulse rate. Features include: · Easy and simple to operate. · Display Sp02, PR, Pulse Bar, Plethysmogram. · Low power consumption · Automatically power off · Six display modes · Low battery indicator · Adjustable brightness · Suitable for use at home and in hospitals · Special mark to tell children the best place to put their finger. · Frog design.