DeVilbiss Auto CPAP Machine is a smart system, designed with DeVilbiss SmartFlex™ technology that adjusts itself. A truly smart machine the DeVilbiss IntelliPAP AutoAdjust CPAP System has an exhalation pressure relief feature that adjusts according to the individual patient. The DeVilbiss IntelliPAP AutoAdjust CPAP System combines a software program that scores patient breathing events then tailors the air pressure accordingly. This process occurs throughout the patient's sleep cycle for all night monitoring and therapy. The DeVilbiss IntelliPAP AutoAdjust CPAP System gives the treating physician control to adjust detection parameters for either apnea or hypopnea. AutoAdjust can be used in both conventional CPAP or AutoAdjust modes. Software tracks patient breathing then auto-adjusts air pressure to meet needs features Patented SmartCode so you can access data remotely SmartCode® adheres to compliance standards for patient confidentiality Small footprint and whisper quiet operation 3-year warranty.