Criticare monitors offer proprietary ComfortCuff NIBP, Pulse Oximetry, and Predictive Temperature in one compact, easily transported monitor. Ideal for Spot-Checks or Continuous Vital Signs Monitoring. Available models of the 506N3 are the DN3, DNP3, DNT3 and the DNTP3. Nellcorr Oximax SPO2 is also an available option.