Magellan RoadMate 3000T 3.5-Inch Portable GPS Navigator Compact vehicle GPS navigator with preloaded U.S. and Canada base maps 3.5-inch color touchscreen display automatically switches to night view in dark conditions 4 GB memory for maps and custom points of interest; Secure Digital (SD) card slot 8 direct-access keys, plus power, volume, repeat, and reset buttons; 3D birds-eye map view Built-in patch antenna; measures 4.8 x 3.8 x 1.4 inches (W x H x D); 1-year warranty