No IR and UV radiation, no mercury and hazardous substance contained in ceiling light, perfectly ecological.DC pure copper motor,wind is smooth,mute motor,bass noise reduction,strict control of fan operation. New generation eye protection light source, enjoy comfortable natural light. The use of international advanced technology, to create extreme quality. 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.