"3.500 IN. QVGA COLOR TOUCH SCREEN; INCLUDES AAA TOUR BOOK; PRE-LOADED NORTH AMERICAN MAPS; PLASTIC CASE; 20GB INTERNAL MEMORY, UNLIMITED MEMORY SD CARD, INTEGRATED MULITDIRECTIONAL PATCH; GPS SIRFSTAR III, WAAS/EGNOS ENABLED; 10-16 FT. GPS ACCURACY, WAAS/EGNOS 15 FT. GPS ACCURACY; LION RECHARGEABLE 1100MA BATTERY; 12-24 V ADAPTER; UP TO 3HRS. BATTERY LIFE"