Intelligent Timing – You can keep the timed switch-off of 1/2/4 hours. The fan chandelier takes on a new LED energy-saving light source, the energy that can save more than 80%.DC pure copper motor,wind is smooth,mute motor,bass noise reduction,strict control of fan operation. Designed for pure air,enjoy life at a low decibel level,nose does not exceed 46 decibels,quiet soft wind,with you sleep peacefully. New generation eye protection light source, enjoy comfortable natural light. The use of international advanced technology, to create extreme quality.