This is the Car Kit for the Delphi XM Roady XT XM Satellite Radio Receiver. This Car kit also includes the Sure Connect system. You can now enjoy the quality service of XM radio in the car! just simply plug in the power adapter, and select a spot you want to mount your receiver, and lastly choose how you want to transmit the signal, by the cassette tape transmitter, or the new sure connect antenna clip.