Electric Semaphore Signal Manufacturer unknown. The item is only one signal; the background rails, etc., are not included. This is the same product as the two sets previously sold under the same title. I am listing it because I no longer plan to use it. I think it would be useful as a structure material for creating HO gauge dioramas. Size: Height: 85mm Width: 15mm Depth: 47mm Signal lights and semaphore arm operation (relay driven) have been confirmed with a Märklin transformer, AC 16V. It also operates at 12V. However, since the manufacturer is unknown, the electrical specifications, including the maximum rating, are unknown. Therefore, I will describe the following as a personal usage example, but please use it as a reference only. For the connections, the two wires for the signal lights have no polarity and connect to the power supply and GND terminals, respectively. For the relay's four wires, connect the two center wires of the coil (red) and connect them to the power supply terminal. Momentarily connect the remaining two wires at either end of the coil to GND when operating the semaphore arm. As with other coil products (points, signals, etc.), be careful not to burn out the coil by keeping current flowing through it. With Märklin, it was controlled using the 7072 control panel as shown in photo 8. The condition is as good as new, but it is an old item, so there may be oversights such as age-related deterioration. Please forgive me in that case. In any case, please understand that this is a used item before considering purchasing it. Please refrain from purchasing if you are nervous or looking for a new item. Recycled materials will be used for shipping. I hope that those who understand this will purchase it. #SemaphoreSignal #Märklin #HO #Europe #Diorama #Structure