This Certified Refurbished product is manufacturer refurbished, shows limited or no wear, and includes all original accessories plus a 6-month warrantyAir Multiplier technology: Air is accelerated through an annular aperture, drawing in surrounding air to project a high-velocity cooling airflow. No blades. No choppy air75% quieter: Streamlined air channels for reduced airflow turbulence make AM06 75% quieter than AM01Sleep timer: Fan can be programmed to turn off after preset intervals ranging from 15 minutes to 9 hoursRemote control: Choose from 10 precise airflow settings. Curved and magnetized to store neatly on the machine