Direction indicator * On board route planning * Map orientation You get full GB road map as a base map on the unit, supplied completely free of charge. This is a vector style map, and you can choose to have road names turned on or off. There is also an Ordnance Survey 1:1,000,000 map if the whole of Great Britain, which is great for panning rapidly across the country when planning routes: this too is supplied completely free of charge.