52" low profile ceiling fan has a reverse airflow function, which can change the direction of the fan seasonally to obtain a cooling effect in summer and warm air distribution in winter. The noise of the fan is less than 50 dB. Four Models Available: All are flush-mount ceiling fans with solid wood blades and come with a remote control. (For smart models, the detailed step-by-step instructions—with illustrations—on how to use the mobile app and voice control functions are included in the user manual packed with the product.) Style A, C & D: Ceiling fans with lights Style B: Ceiling fan without light Fan Functions: Forward & reverse rotation; Timer settings (1h/4h/8h) Light Source: LED, 18W Color temperature options: Warm white, natural white, cool white Dimmable brightness: Light memory function; Timer settings (1h/4h/8h) Lampshade: Acrylic shade Silent Reversible Motor: DC 153×10mm Fan Functions: Forward & reverse rotation; Timer settings (1h/4h/8h) Light Source: None Lampshade: None Silent Reversible Motor: DC 153×10mm