Price is for 1 complete Grey signal2 Aspects Green over Red Railroad SignalsHO Scale 1:87 made of 2mm LEDs with resistors for 12V or 16V use haracteristic Price is for 1 units Size for each : Approx. 60mm or 2.36 inch Height for HO Scale: 1:87 the signal head is made from Plastic Brand new PRODUCT 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 )...