SONY Personal Navigation System Model Number: NV-U2 Car Navigation System Body only 【Product Description】 Functionality has been confirmed: power on, screen display, touch panel operation, GPS reception, and charging. Equipped with a 4.8-inch wide LCD monitor in a slim body of approximately 20mm. This is a portable navigation system with a built-in battery, so it can be used on foot, bicycle, motorcycle, or in a car. It's a user-friendly navigation system.