DeLorme GPS LT-40 for PCs of all types

device attaches to your computer's USB port Voice-guided navigation and optional voice commands help you navigate without needing to view your computer screen Optional 3D viewing perspective while GPS tracking helps you better track your position Automatic back-on-track routing helps you get back to your preplanned route after making a detour Large fonts are easy to view and allow easier typing when searching on your laptop Center-on-GPS setting lets you scout ahead on the map without always snapping back to your GPS position GPS Radar searches with voice prompts allow you to seek out services near your current GPS location Provides control over GPS settings such as length of breadcrumb trail, voice settings and distance off track before automatic rerouting kicks in Track your GPS position on free downloadable aerial imagery