ANLENG 7" 4GB ROM Car GPS Navigation and Waterproof Wireless Rear View Camera Bluetooth AV-IN Free America New Maps Free North America maps. manufacturers have pre-installed maps of North America, and provide free updating. 7 inch super large resistive touch screen, provide you a better view and more convenient to operate in car, 800*480 pixels resolution. Newest stylish design with 128MB RAM, 4GB internal memory, support up to 32GB TF card (not include). windows CE 6.0 OS. Wireless waterproof rear-view license plate car rear backup camera. Easy to set up and mount. Automatic voice alarm, safer driving, voice alerts: speed cameras. speeding, restricted roads, more safe and secure for your car trip.