Abstract: An objective of the present invention is to provide a system for remotely controlling a controlled device. The system comprises 1) emitting means comprising a light-emission source for sending a control signal; 2) detecting means comprising a camera unit for acquiring imaging information of the control signal in the camera unit; 3) computing means for determining location information of the emitting means based on the imaging information acquired by the detecting means; 4) controlling means for determining a control instruction corresponding to the location information so as to control a controlled device connected to the system.