ANLENG 7" 4GB Internal Memory Car GPS Navigation and Waterproof Wired 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(ROM), support up to 32GB TF card (not include). windows CE 6.0 OS. Waterproof high definition, 170 degree wide viewing angle, license plate wired car rear view camera. Automatic voice alarm, safer driving, voice alerts: speed cameras. speeding, restricted roads, more safe and secure for your car trip.