1. A mobile terminal comprising: a first sensor to sense at least one of a plurality of external terminals each having a second sensor operating within the range of the first sensor; a display to display an icon corresponding to the first sensor and an icon for each at least one external terminal, respectively; and a controller to control the transmission of a control signal to select an external terminal from among the at least one external terminal based on a first user input involving the displayed icon corresponding to the first sensor and the displayed icon corresponding to the selected external terminal, wherein the selected external terminal is a first external terminal, and wherein the controller further controls the transmission of a second control signal to a second selected external terminal, the second control signal controlling the function of a sensor in the second external terminal when a condition associated with the function of a sensor in the first external terminal is not satisfied.