This classic signal is found along the tracks of most European rail lines. The electrically operated LGB signal features a moveable semaphore arm and lights that change color according to the position of the signal: Arm up/lights green for "Go," arm down and lights red for "Stop." The signal mast features fine detail with moving levers and counterweights. Includes LGB signal drive. For operation with LGB 51750, etc. Height 350 mm (13.8 in). Can be mounted to a 150 mm straight track section (10150/14150, 10153/14153, etc.).