In addition, the StreetPilot 2820 comes equipped with preloaded City Navigator NT street maps, including a points of interest (POI) databse with hotels, restaurants, fuel, ATMs, etc. Once a location is selected, the StreetPilot 2820 will find and then display that location with 2D/3D maps and turn-by-turn voice directions. Additional features of the Garmin StreetPilot 2820 GPS receiver include an optional XM antenna and XM-service subscription, optional TMC traffic alerts when used with a compatible traffic receiver, and MP3/audio-book playback for staying entertained on the road. The Garmin StreetPilot 2820 retails for an average of $999.99 and comes with a 1 year limited warranty.