An oxygen monitor is essential in every hospital, oxygen bars, community health centers, and sports centers, it is also a must-have for sports lovers like mountain climbers and bikers, and in every household for the health-conscious family. This handy pulse observes a rapid measurement of oxygen saturation level in your body without using needles or taking a blood sample. Fast and precise, it only takes 6 seconds to measure the concentration rate and blood oxygen pulse. The measured amount shown on the screen reflects the saturation of your red blood cells with oxygen. The oxygen level may also help to determine if you need to receive supplemental oxygen.