Instead of semaphore signals, the Rhaetian Railroad uses color light signals that require less space along the narrow mountain lines. This electrically operated LGB signal is equipped with red and green lights that change and that are mounted on a prototypical signal mast. The signal comes with an LGB signal mechanism. The signal is easy to install and wire. It is designed for use LGB 51750, etc. Height 240 mm / 9-7/16“.