The Garmin GPS Satellite Navigation System Nüvi 265 WT is an automotive mountable device with a 4" screen size. It includes features like a head-up display, speed limit indicator, internal GPS antenna, expandable memory, car mounting kit, points of interest, compass, weather alerts, and real-time traffic. The device also offers a touch screen interface, voice activation, GPS logging, and 3D map view for convenient and detailed navigation. Additionally, it comes with accessories like a car charger and offers vertical and horizontal display options for ease of use.