Clarion CLCK Sirius Satellite Radio Calypso Car Kit Vehicle docking kit for the Clarion Calypso Sirius satellite radio receiver (sold separately) Dash-mountable docking cradle holds receiver in easy-to-see and -control position Compact vehicle antenna mounts securely to your car's roof or trunk via the magnetic base DC cigarette lighter adapter powers the Calypso; adjustable swivel mount for repositioning Requires Sirius satellite radio subscription