The Garmin Nuvi 865T is a voice activated GPS unit which falls near the top of Garmins top of the line nuvi 800 series, falling somwhere between the 885 and 885T. Innovative speech recognition allows the driver to not only hear driving instructions, but also give voice commands to control the unit without taking your eyes off the road or your hands off the wheel. The lane assist feature helps you choose which lane is best to be in when approaching an exit removing the guesswork. The 4.3" widescreen display is readable in all directions giving bright and brilliant colour even in sunlight. Navigation features include turn-by-turn directions to services, addresses or custom / preloaded points of interest, and the "Where am I?" feature will direct you to the closest intersection, police station or feul station and it will automatically recognize where you have parked your car when it is removed from the windshield mount to be used as a personal GPS device. When planning a travel route, this will save up to 10 routes and will automatically figure out the most efficient path between errands and will also display speed limits on roads and highways. The built in FM tuner receives alerts about traffic delays and road construction helping you avoid problem areas. On top of navigation, the Nuve 855T has several other features. The entertainment and travel tools included are MP3 playback, audio book player, JPEG viewer, currency converter, alarm clock and Garmin Games, to name a few. The included FM transmitter allows playback throught a vehicle's stereo for features like MP3 and audio book player. The integrated Bluetooth wireless technology allows handfree calling with built in microphone and speaker. Optional upgrades include custom voices and vehicles, and plug-in microSD cards such as garmin travel guides for detailted data on attractions.