Auto-Adjusting Therapy Humidifier The DreamStation BiPAP Auto is a bilevel machine that provides one distinct higher pressure for inhalation, and a separate lower pressure for exhalation. During therapy the machine will monitor the user on a breath-by-breath basis and remain at a lower pressure until an event is detected. When an event is detected that requires a higher pressure, the machine will automatically increase to the needed pressure and return to a lower pressure when the event has concluded. Bi-Flex Pressure Relief and SmartRamp Technology The DreamStation BiPAP Auto has Bi-Flex pressure relief to increase therapy comfort and help mimic a natural breathing pattern. Unlike traditional ramp that increases pressure constantly over a set amount of time, SmartRamp will monitor the user and increase pressure only if an event occurs. During SmartRamp if an event requires which requires the lowest pressure of the BiPAP range, ramp will conclude. . FeaturesRegular Alerts/Reminders: Every 30 days the machine will show a reminder to change filters.Auto-Adjusting TherapySleek Design with Colorful DisplayBi-Flex Pressure ReliefAdvanced Features & Data TrackingIn The BoxDreamStation Auto MachineHumidifierHoseDark Blue Reusable Filter (Installed)Light Blue Disposable Filter (Uninstalled)SD Card (Installed)80W Power SupplyPower CordUser ManualCarry Bag