Features: The Navman F20 introduces features that were once unheard of on value-for-money GPS navigation systems. But the F20 changes all that to give you, as standard: Large 3.5Ħħ touchscreen Reliable, accurate GPS navigation with SiRFstar III™ technology Nearest Fuel and Park buttons to alert you to the nearest petrol station or car park Advanced Motorway Navigation Route Summary View and Pause Journey functions