Most LED signs available today can be controlled by the operator. Computer Controlled LED signs are controlled by the operator. These are the most upcoming technology that is being spread all over the world in speed.
Computer controlled LED signs use the LED technology stands for light emitting diodes and produces very bright light while at the same time being energy efficient as they do not burn off heat as a wasted by product like incandescent lighting. These signs are used as indoor and outdoor outlets in world