Garmin Drive 51 LM GPS navigator system has preloaded Bangladesh navigation map, easy-to-use dedicated GPS navigator with bright 5 inch WQVGA dual-orientation display, spoken turn-by-turn directions, direct access, driver alerts for sharp curves / speed changes / railroad crossings and animal crossings, TripAdvisor and Foursquare data, friendly guidance from Garmin real directions, one-stop device management, compatible with Garmin backup camera, rechargeable lithium-ion battery, microSD card option.