Price is for 1 complete Black Cantilever bridge signalsfor double tracks both directionsprewired LED for 3 aspects( Green on top / Middle Yellow/ Red at bottom ) CharacteristicPrice is for 1 unitsSize for each : Check from the photoOperating Voltage: prewired resistor for 12V to 16V use Operating Current = each LED 20mA Metal Made and Brand 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 )...