Rad-57® Configurable Pulse CO-Oximter Includes: SpO2, Pulse Rate and Perfusion Index (Pi) parameters (Upgradeable with Total Hemoglobin (SpHb); Pleth Variability Index (PVi); Carboxyhemoglobin (SpCO); Methemoglobin (SpMet); Oxygen Content (SpOC)) (Sensor must be ordered separately) (Medical Device License Required to Purchase this item) (Continental US & Puerto Rico Only)