Dual 3.5-Inch Portable GPS Navigator Portable vehicle navigation system with MP3 music player Voice directions provide turn-by-turn guidance to your destination 3.5-inch digital TFT LCD touch-screen display with crystal-clear resolution Complete maps of the entire US with millions of pre-loaded POIs Weighs 2.1 pounds, measures 4.2 x 4.2 x 1.1 inches (W x H x D), comes with a 1-year warranty