Ltpgtfantasia wall speed control operates the 3 speeds of the fan only requires twin and earth wiring live neutral and earth and fits into a 35mm deep single gang box maximum power rating is 200 watts and one controller required per fan please note it is not possible to wire a fan motor into a standard variable dimmer switch only a fantasia stepped controller can be used to operate the fan speeds from the wallltpgt ltulgt ltligtcolour satin stainless steelltligt