This GPS system provides an extra measure of safety by automatically activating a wireless rearview camera when your vehicle is shifted to reverse. The camera installs easily above the rear license plate and transmits a clear view of what's behind your car on the 4.3" color LCD30% larger than 3.5" screens. In GPS mode, the unit delivers reliable navigation with pre-loaded 2D or 3D maps for all 50 states and Canada, as well as 1.6 million points of interest, and automatically adjusts for day or night viewing. The touchscreen permits easy input of up to 300 stored addresses, and lets you plan your route by entering an address, an intersection, a point of interest, or a city center as a destination, and detours around areas you wish to avoid. "Text-to-Speech" technology clearly pronounces all street names over the built-in speaker to guide you to your destination without the need to take your eyes off the road or fumble with a map. A USB cable connects the unit to your PC for updating maps via the manufacturers web site, and an SD card slot (card not included) allows the navigator to double as a portable MP3 player or picture viewer. The unit can be powered by a DC adapter that plugs into a car cigarette lighter, or for portability, via its built-in rechargeable Li-Ion battery that provides 2-3 hours of operation on an 8 hour charge. The displays wireless cradle mounts without tools using a suction fastener. Includes AC adapter, touch pen, and travel pouch. 3" H x 5 1/8" W x 1 1/4" D. (3 1/2 lbs.)