This writing describes a controller that can be coupled with a position determining component, and a motion detecting component. In one embodiment, the motion detecting component detects motion of a movable item and generates a signal to the controller indicating the motion. The controller, in response to the signal, causes the position determining component to determine the geographic location of the movable item. A determination is made as to whether the geographic location is within a pre-defined zone. In response to the determination, a command can be generated for controlling the movableitem.