Nav 740 4.3-Inch Widescreen Portable GPS Navigator 4.3" 480 x 272 WQVGS color touch screen display Pre-loaded maps of 50 US States, Basemap pre-loaded on SDTM-card SirfStarIIITM 20-channel high sensitivy chipset (WASS enabled) Text-to-speech functionality (English only) Turn-by-turn directions in multiple languages (up to 20)