Price is for 1 complete signaltop Green/Yellow/ bottom Red Railroad SignalsHO scale 1:87 or OO scale 1:76made of LEDs with resistors and ready for 12V or 16V use you may cut the resistor from the wire if you need to use it on 3VDefault: common anode signals.you may inform me via the note when pay if you need common Cathode signal. CharacteristicPrice is for 1 units ( target face offset to left hand )Size for each : please check from the photofor HO scale 1:87 or OO scale 1:76the signal head is made from PlasticBrand newPRODUCT DESCRIPTION You mayControl them automatically by moving train ( click ...