Dual Electronics XNAV3500 3.5-Inch Portable GPS Navigator Easy-to-use 12-parallel-channel GPS navigator with intuitive 3.5-inch touchscreen interface Delivers turn-by-turn directions with voice guidance and visual left/right indicators Preloaded U.S. detail maps with 2 million points of interest; 3D map with day/night views 64 MB internal memory and 32 MB flash memory; includes 1 GB Secure Digital memory card Built-in MP3 media player; measures 5.1 x 3.2 x 2.2 inches (W x H x D); 1-year warranty