Quickly find your way back to any spot with our personal GPS. Simply mark your location with the push of a button. When it comes time to return, the BackTrack personal GPS will lead you back with precision accuracy. Use it to find your car in a crowded lot, a prime fishing location, or a campsite after a day hike. Stores up to three locations. Fits easily in a pocket or can be attached to luggage or a backpack with the integrated ring. 3" x 2" x ½" thick. Requires three AAA batteries, not included.