Description: The 5100 Pulse Oximeter, based on all digital technology, is intended for noninvasive spot-check measurement of functional oxygen saturation of arterial hemoglobin(SpO2). The product is suitable for being used in family, hospital, oxygen bar, community healthcare, physical care in sports (It can be used before or after doing sports, and it is not recommended to use the device during the process of having sport) and etc. Features: 1.Anti-movement, good low-perfusion performance. 2.Pop-up menu to setup alarm limits 3.Small in volume,light in weight and convenient in carrying 4.Operation of the product is simple , low power consumption 5.SpO2 value display 6.Pulse rate value display, bar graph display 7.Pulse waveform display 8.The display mode can be changed 9.A pulse rate sound indication 10.With measured data overruns limits and low-voltage alarm function 11. Battery voltage indication 12.Automatically power off function 13.Display format and alarm limits can be saved after power off