Air Multiplier(TM) technologyAir is accelerated through an annular aperture, drawing in surrounding air to project a high-velocity cooling airflow. No blades. No choppy air.;35% quieterStreamlined air channels for reduced airflow turbulence make AM08 35% quieter than AM03.;Energy efficientEngineered to create powerful airflow using less energy than AM03.;Sleep timerFan can be programmed to turn off after preset intervals ranging from 15 minutes to 9 hours;Remote controlChoose from 10 precise airflow settings. Curved and magnetized to store neatly on the machine. Product Dimensions: 6.6 x 23.1 x 21.1 inches