Fingertip Pulse Oximeter is one of the highly acclaimed device for measuring peripheral oxygen saturation level. It's a noninvasive gadget, hence a painless and a very facile way to calculate the pulse rate and SpO2 level. It has got bright OLED exhibiting live pulse rate and SpO2 level, runs on two AAA batteries with automatic power off feature. This device is wore on a thin part of the body such as earlobe, finger and in case of infants the gadget is put across their foot. It passes two wavelengths of light in the body measuring SpO2 and pulse rate. Such oximeters are very easy to use even for a person from a non medical field, however it's always suggested to buy such medical equipments from a trusted and a certified company only and Santamedical is one of most reliable brand when it comes to quality devices.