The Evo RemRest CPAP System uses digital ramp and pressure controls so user does not need to constantly monitor the settings status. The LCD screen provides readouts of running time, patient usage and setting up the ramp and pressure is easy. The system also has noise reduction technology which allows for a quiet, pleasant experience using the product. It has an internal pressure transducer which monitors the prescribed setting and adjusts the blower for changes in external pressure. This CPAP system is a low cost alternative in comparison to other products.