An electronic device having watch phone functionality, the electronic device comprising: a wireless communication unit; a camera; a display to receive an input; a sensing unit positioned at the boundary of the display; a controller configured to: recognize touch input having a predetermined touch pattern along a perimeter of the boundary of the display, transmit, in response to receiving the touch input, a control signal to a mobile terminal through the wireless communication unit in order to create a wireless link with the mobile terminal, wherein the control signal is configured to activate a camera on the mobile terminal, and receive a first image captured by the camera of the mobile terminal and location information of the mobile terminal and display the received first image on the display, activate the camera and capture surroundings of the electronic device in response to receiving the first image from the mobile terminal determine a similarity between the first image and a second image obtained by the electronic device by comparing the first image with the second image, wherein the similarity is determined based on whether at least one object included in the first image and at the least one object included in the second image match or not, or wherein the similarity is determined based on the location information tagged on each of the first image and the second image. a wireless communication unit; a camera; a display to receive an input; a sensing unit positioned at the boundary of the display; a controller configured to: recognize touch input having a predetermined touch pattern along a perimeter of the boundary of the display, transmit, in response to receiving the touch input, a control signal to a mobile terminal through the wireless communication unit in order to create a wireless link with the mobile terminal, wherein the control signal is configured to activate a camera on the mobile terminal, and receive a first image captured by the camera of the mobile terminal and location information of the mobile terminal and display the received first image on the display, recognize touch input having a predetermined touch pattern along a perimeter of the boundary of the display, transmit, in response to receiving the touch input, a control signal to a mobile terminal through the wireless communication unit in order to create a wireless link with the mobile terminal, wherein the control signal is configured to activate a camera on the mobile terminal, and receive a first image captured by the camera of the mobile terminal and location information of the mobile terminal and display the received first image on the display, activate the camera and capture surroundings of the electronic device in response to receiving the first image from the mobile terminal determine a similarity between the first image and a second image obtained by the electronic device by comparing the first image with the second image, wherein the similarity is determined based on whether at least one object included in the first image and at the least one object included in the second image match or not, or wherein the similarity is determined based on the location information tagged on each of the first image and the second image.