No one wants to be the person who stops and asks for directions. Think of this portable GPS as insurance that you won't have to. Voice guidance along with 2D and 3D street-level detail maps will get you where you want to go.iA.S.A.P. technology allows faster acquisition and uninterrupted satellite signal receptionIncludes preloaded maps of the United States and Canada on hard disk; no need to load CDs or download maps from PC5"""" TFT display with 320 x 240 resolution and touch-screen operation; ultrabright display for easy viewing; includes light sensor for automatic day/night control