40" Flush Mount Ceiling Fan without light, 3 Reversible Blades, with 6 Speeds Reversible DC W2352P194033The low profile ceiling fan features a reverse airflow function, allowing you to easily change the rotation of the fan for a cooling effect during the summer months and improved air circulation in winter. The fan motor is equipped with a pure copper motor that boasts low noise performance, emitting less than 35 dB of noise. Timer shutdown function The ceiling fan features timer shutdown function, you can choose to automatically shut down after 1 hour,