The standard dimensions of the recess in which it is best to place the electric curtain rod are about 20 centimeters wide and 12-15 centimeters deep. Following these recommendations, you can count on the impression that the curtains are flowing from the ceiling. The advantage of this solution is that the curtain rod is almost invisible when the curtains are closed. You also do not have to worry that the specificity of the room will prevent the use of a curtain rod. Its length is reported at the time of ordering. If it is larger than 2.5 meters, you should take into account the need to assemble several elements of the set together.