Price is for 1 XGreen/Yellow Railroad Dwarf SignalsHO Scale 1:87 or OO scale 1:76made of 2mm LEDs with resistorsand ready for 12V or 16V use CharacteristicPrice is for 1 unitsSize for each : Check from the photofor HO Scale: 1:87 or OO scale 1:76the 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 )...