Price is for 1 xGreen/Yellow/Red Railroad SignalsN scale 1:160made of LEDs with resistors and ready for 12V or 16V use the head will be a little big CharacteristicPrice is for 1 unitsSize for each : Approx. 45mm or 1.77inch Heightfor N scale 1:160the signal head is made from PlasticBrand newPRODUCT DESCRIPTION Your station platform or street scenes will be more lively with these items.Perfect for Model Train Set LandscapeControl them automatically by moving train ( click here ) Control them manually ( click here )...