Talking Trip Advisor puts travel information at your fingertips without the expense of a GPS navigational system. You can customize directions to 80,000 locations including distance and estimated travel time. You can find 24 hour gas stations, route details, hospitals, restaurants, motels and more. Travel safely with emergency contact numbers such as AAA or toll-free numbers for airlines, car rentals and hotels. Clips to visor; uses 3 AAA batteries (incl.). 3-3/4" x 2-1/4".