Energy efficient, ultra-quiet, six-speed, reversible DC motor with new, reliable technology.Designed for pure air,enjoy life at a low decibel level,nose does not exceed 46 decibels,quiet soft wind,with you sleep peacefully. This mechanical and aesthetic masterpiece puts out a powerful airflow and is perfect for any contemporary space. Featuring a low consumption DC motor and 6 speed remote control with reverse. DC motor decorate ceiling fan，high efficiency DC frequency conversion brushless motor energy saving,electricity saving and stable air supply. High quality PC fan blade, thick and wide air supply, aerodynamics principle, airfoil imitation design, static with stability, enjoy comfortable natural wind.