The colour of the buttons determines the frequency for this model. Remote controls with different frequencies are not compatible. This remote control has yellow buttons. If your remote control has blue buttons, then the correct model is the Beninca LOT4E. If your remote control has red buttons, then the correct model is the Beninca LOT4WCV. If your remote control has white buttons, then the correct model is the Beninca LOT4ECV, which is obsolete and which has no replacement model. You will need to install a new receiver kit.