This Canarm speed control provides easy fingertip control of 2 ceiling fans at once. This 2.5 Amp control features precise manual speed adjustment. Fits standard electrical box. Material Type: Aluminum plate, Accessory Type: Ceiling fan accessory, Volts: 120, Dimensions L x W x H (in.): 4 1/2 x 2 3/4 x 1 1/2