SiriusXM vehicle connection package includes hideaway tuner and magnetic antenna works only with in-dash receivers with the SiriusXM-Ready logo enjoy SiriusXM advanced features like TuneMix and SportsFlash with select new compatible car stereos pause, rewind, and replay up to 60 minutes of live satellite radio broadcasts get game, song, and artist alerts iTunes tagging with iPod connected tuner dimensions: 2-1/16"W x 3/4"H x 3-13/16"D 1 year warranty