Spiral structure, lower noise; motor horizontal horizontal type place, less friction, lasting up to eight years mute; wind wheel design, larger air volume at the same speed; 1, dazzling fashion elegant rhythm panel 2, independent research and development Green Wind NF motor, energy savings and better 3, high-quality ball bearings, corrosion resistant materials, high-precision machine design process, durable compared with conventional ducted fan, quieter, more stylish, continued low consumption, durable