Devilbiss IntelliPAP AutoAdjust CPAP System With SmartFlex Technology can be operated in both conventional CPAP and AutoAdjust modes. It features automatic pressure adjustment based on event density and type. It has adjustable definition of apnea and hypopnea (percentage and duration), adjustable upper and lower pressure limits and adjustable delay setting for up to four hours. It also features automatic detection of mask conditions and ultra-sensitive snoring detection.