1. A mobile terminal comprising: a housing having an opening; a display provided in the opening of the housing; a bezel provided on the housing; a plurality of sensors provided at the bezel, at least one of the sensors detecting an input command on the bezel such that an image on the display changes or a command is performed by the mobile terminal; and a plurality of light-emitting elements respectively associated with the plurality of sensors, the light-emitting elements provided at the bezel and being vertically shifted or adjacent to the sensors, and the light-emitting elements to emit visible light through the sensors, and wherein at least one of the light-emitting elements generates visible light based on at least one of the sensors detecting the input command, the at least one of the light-emitting elements respectively associated with the at least one sensor detecting the input command, to inform that the at least one sensor is in an active state to receive the input command.