Liftmaster 365LM Plug-In Security Plus Radio Receiver 315Mhz Ideal for use as a replacement radio control or to upgrade to a more secure system Will not work with remotes that operate on 390Mhz. Plugs into a standard power outlet and wires to either the remote push button or directly to the garage door opener. Accepts up to 8 Security Plus remote controls or one DIP switch code remote controls. This item includes: bell wire, wire clips, installation and programming instructions.