Peace of mind, wherever you find yourself. Mark a location and navigate back whenever you're ready – it's that easy. BackTrack adds confidence to your steps and its compact size makes a smart addition to any backpack, purse, or suitcase. Store and locate up to three locations. Self-calibrating digital compass. Backlit LCD. Lanyard included. Powered by two AAA batteries (not included). Dimensions: 3" Dia. x 9/16"W. Color: Camouflage.