ResMed’s latest model, AirSense™ 10 AutoSet, is an automatic CPAP device that adjusts the pressure with each breath, providing the minimum air pressure needed to keep the airway open. The ResMed AirSense™ 10 AutoSet features the Expiratory Air Pressure Reduction, EPR feature, which can be disabled or set to one of 3 levels. The device has a color illuminated LCD screen with a light sensor, which is adjusted according to the light in the room. After a few seconds the screen turns off so as not to disturb your sleep.