Super Good Quality Retangular Bladeless Air Multiplier 36cm Air Turbocharging system - An annular jet draws in surrounding air, ampligying it 15 times. Mixed Flow Impeller - A combination of the technologies used in turbocharges and jet engines generates powerful airflow. Brushless Motor - Energy-efficient. Variable power rather than the limited settings on conventional motors. Touch-Tilt - Pivots on its own center of gravity, staying put without clamping. Oscillation Control - Independent motor drives smooth 90degree oscillation.