SIRIUS ST4-TK1 Starmate 4 Plug-and-Play Satellite Radio Receiver with Car Kit Feature-rich plug-and-play Sirius satellite radio receiver with bundled car kit Decodes digital-quality signals for more than 130 music, news, and sports channels Game Alert feature prompts you when favorite sports team is playing on Sirius Built-in FM transmitter; 44-minute instant replay function; 5-line graphic display Includes car power adapter; measures 4.9 x 1.9 x 0.6 inches (W x H x D); 90-day warranty