(1) When you need to find your car in a crowded parking lot;
(2) When you explore outdoors, you need to find a place you have been (return to the starting point);
(3) When you need additional positioning, this Bushnell pocket GPS positioning system can help you:
Stores and locates up to three locations.
Up to three addresses can be stored;
Uses a high-sensitivity SiRF star III GPS receiver.
Use a highly sensitive GPS reception system;
Includes a self-calibrating digital compass.
Adaptive;
Operates on two AAA batteries (not included).
Only two AAA batteries are required (separately available for yourself).