The Garmin Nuvi 2957 LMT has a 5 inch display that can be used in landscape or portrait orientation. It comes loaded with detailed maps and includes lifetime map updates so you can download new maps up to 4 times per year. The Garmin Traffic feature provides alerts with details on traffic delays and detours. It can even tell you whether you are on the fastest route. The device can also respond to voice commands, so your hands are always on the wheel its the perfect companion on any road trip.