A controller device for controlling multiple devices, where a controller and device are brought into near field communication distance of one another, the proximity of which is such that the controller and device communicate and initiate processes that establish control mechanisms between at least the controller and the respective device, wherein the controller and device each include: a processor for processing digital data; a digital data memory a portion of the memory including digital data usable by the processor to restrict access of the controller to none, one or more devices.