Audiovox XMC-10 XM Second Vehicle Kit for Xpress XM7 Satellite Radio Receiver Easy to use kit lets you share a single XM7 satellite radio receiver and subscription across multiple cars Features a swivel bracket so you can mount your docking station at the most optimal usage angle, and a cigarette lighter 12-volt to 5-volt DC power adapter Includes the smallest available, magnetic roof-mount satellite antenna, and a CLA female socket in case you do not have an open car cigarette lighter Docking station attaches to your car's stereo system via either an audio cable, or via the Audiovox XMFM-1 FM direct adapter Unit has an auxiliary audio input for connecting an MP3 player or other peripheral audio device to your car stereo, and is backed by a manufacturer's limited 12-month warranty