A method includes receiving a signal that indicates a location of a control device that is configured to change an operating state of a controlled device. The method also includes identifying a first visible device and a second visible device in one or more images, matching the first visible device with the control device based on a location of the first visible device matching the location of the control device, matching the second visible device with the controlled device, pairing the control device with a host device, and controlling the control device using the host device to change the operating state of the controlled device.