Turns your laptop or Palm OS handheld into an easy-to-use GPS. Tracks your position in real time on street-level maps with an easy-to-follow arrow. Comes with DeLorme Street Atlas USA Deluxe software. Plan address-to-address routes and more without an Internet connection. Compatible with a variety of DeLorme mapping programs. DeLorme's high-performance Earthmate GPS turns your PC laptop or Palm OS handheld into an easy-to-use global positioning system (GPS). Earthmate comes with a 12-channel GPS receiver and DeLorme's Street Atlas USA Deluxe software. The receiver tracks your position in real time using satellite navigation technology, while the software displays your position on street-level maps with an easy-to-follow arrow. Plan address-to-address routes without an Internet connection. Find the best route to and from airports, restaurants, hotels, schools, and more. Whether you're headed down the highway or back home -- whatever comes your way--you'll never be directionless again. The Earthmate GPS receiver runs for up to 10 hours on four AAA batteries, so precious car power sources remain available.