Voice Activated GPS With Free LIFETIME Maps & Traffic. Never get lost in traffic again thanks to the Garmin nuvi 2797LMT mountable GPS, which comes equipped with detailed maps of North America and free lifetime updates. The 7-inch high-resolution display makes it easy to read maps and get quick information about thousands of points of interest. Navigate using the touchscreen interface of the device, or use it without taking your hands off the wheel through the voice-activated navigation option. This Garmin device displays all of the information that you need for your trip on the screen, including current speed, speed limit, and accurate time of arrival. Custom Pois, Lane Assist, Lifetime Map Updates, Bluetooth Ready. Battery Type and Quantity.