Specifications This Pulse Oximeter adopts Photoelectric Oxyhemoglobin Inspection Technology integrated with Capacity Pulse Scanning & Recording Technology, which can be used to measure human oxygen saturation and pulse rate through finger. The device is suitable for use in family, hospital, oxygen bar, community healthcare and physical care in sports, etc. (It can be used before or after exercise, but not recommended to use during exercising) Function Display of Sp02 value Display of pulse rate value and bar graph Display of Pl value (optional) Display of pulse waveform Battery power indication (optional) Low-voltage indication: the low power indication symbol appears when the voltage is too low to work Auto Power On Auto standby The display mode can be changed (optional) Adjustable screen brightness (optional) PR sound prompt (optional) Sound prompt (optional) Automatic direction-changing function (optional) Product Name - Portable Smart Finger Pulse Oximeter Model - CMS50-PRO Shell Color - Green Material - Plastic