The Memory Map Adventurer 3500 GPS has a 3.5" full colour touchscreen with a fast map display. It is excellent for use outside, with a large screen that can be seen in all varying degrees of light, & it is waterproof & lightweight. Unlike other touchscreens, the Adventurer 3500 can also be operated by a stylus so can be used in cold weather with gloves. It come complete with a bike mount, car & mains charges, silicon case & Memory-Map PC software to plan routes & print maps