Patient-ready. 90 Day warranty. Masimo Rad 57 Pulse Oximeter - The world's most versatile handheld oximeter, featuring fully upgradable rainbow technology. Get Measure-through Motion Masimo SET oxygen saturation, pulse rate, and perfusion index now and upgrade later to total hemoglobin, oxygen content, carboxyhemoglobin, methemoglobin, and pleth variability index. Technology Overview -More than 100 independent and objective studies demonstrate Masimo SET provides the most reliable oxygen saturation (SpO2) and pulse rate (PR) measurements under challenging clinical conditions, including patient motion and low peripheral perfusion.-Masimo rainbow technology analyzes multiple wavelengths of light to measure SET measurements, total hemoglobin (SpHb ), carboxyhemoglobin (SpCO ), methemoglobin (SpMet ), and oxygen content (SpOC ).-Pleth Variability Index (PVI ) is a breakthrough measurement that may help clinicians noninvasively and continuously assess fluid status of patients. Specs and photo may include optional features. All logos, product names and content are trademarks and copyrights of the respective owners.