In order to achieve higher efficiency, durability and safety, this 20-inch wall-mounted fan adopts an upgraded copper core coil and a high-hardness mesh grille with smaller gaps to ensure safe use. The 3 aluminum fan blades are stronger and more durable, no deformation, superior to other material fan blades. 3 adjustable speeds and a wall-mounted fan that can swing 120 degrees, 5000 CFM high-speed operation, can be used for home and business purposes. 58 inches extended power cord, less than 55 decibels noise level, keep you away from noise disturbance, triangular wall mount stable bracket, very suitable for residences, workshops, shopping malls, garages, warehouses, etc. Size: large. Color: Black.