Averatec Voya 350 Handheld GPS Personal navigation system is pre-loaded with NAVTEQ maps of the entire United States and Canada 3.5-inch color TFT LCD touch screen makes it easy to enter your destination Turn-by-turn voice guidance and easy-to-view icons inform you of State-of-the-art navigation software automatically calculates the most direct route, even if you take a detour Measures 4.53 x 2.87 x 0.79 inches (WxHxD) and weighs 6.0 ounces