SkyPro XGPS160 GPS Receiver

Stores up to 20 locations
Displays distances to the locations
Works anywhere in the world

Turns any iPod touch, iPhone, iPad or PC (Mac/Windows/Linux) into a state-of-the-art GPS receiver. High quality product, designed and assembled in the USA!
“Made for iPod” certified by Apple. No need to “jailbreak” your iOS device. Comes with the free UltiMate GPS App, available on the App Store (requires iOS 3.0 or higher), giving you full control of your receiver. Works with most, if not all, location-based iOS apps available on the App Store. Also works with your PC (Mac/Windows/Linux), delivering standard GPS NMEA sentences over USB to your PC for use in navigation or location-based PC software (not included).
Use it in your car, on your bike, on your boat or in a plane. Use it for geocaching, hiking, golfing, cycling, running, or any other outdoor activity you can think of. Works great with apps like Navigon, TomTom, RunKeeper, Geocaching, Fore Flight, ESRI ArcPad, and many, many more.

Compatible with Garmin Astro 220 (sold separately)
Combines a high-sensitivity GPS receiver and a VHF antenna, all in one small, rugged, waterproof transmitter
Transmitter connects to any standard 1-inch dog collar, however, a durable, high-visibility orange polyurethane collar is included

SD adapter included
Includes topographic coverage of the entire United States, including Alaska, Hawaii and Puerto Rico
Provides detailed digital topographic maps