Sirius SP-TK2 Sportster Replay Satellite Radio with Car Kit Plug-and-play satellite radio transmits wireless over your vehicle stereo Features a six-line display, 30 channel presets, and 20-song memory for "favorite song" alerts Game alert notifies you when your favorite NBA, NFL, NHL, or college teams are playing Includes a vehicle docking station with a suction mount, remote control, DC power adapter Internal memory stores the last 44 minutes of programming for easy play-back