The colour of the buttons determines the frequency for this model. Remote controls with different frequencies are not compatible. This remote control has white buttons. It is obsolete, and has been replaced by a new receiver kit. If your remote control has blue buttons, then the correct model is the Beninca LOT4E. If your remote control has yellow buttons, then the correct model is the Beninca LOT4W. If your remote control has red buttons, then the correct model is the Beninca LOT4WCV.