Carry this compact GPS device by Celestron wherever you go and never get lost again. reTrace Lite is a handheld GPS device that assists you in re-tracing your steps so you can always find your way back. The reTrace device is simple and easy to use, and runs on 2 AAA batteries. Use it to find your car in a parking lot or stadium, locate your favorite remote camping spot, navigate to your favorite fishing spot, guide you back to the dock or pier when boating or even remind you of your favorite birding spot.