To carry out the installation of a plate it is necessary to place a box on the wall or wall where we will later fix the plate. In those cases where a hole is not desired or cannot be made in the wall for the embedding box (marble, stone facades, etc.), it is recommended to use a surface box. The depth is only 33mm., And its design integrates perfectly with the aesthetics of the plate. In case of combining several plates, it is not required to use the separator set. Measurements: 130x128x33 mm (horizontal-vertical-depth).