1 x HO scale model train block signal railroad LED light 2 aspect silver #87S2MD

Price is for 1 complete signaltop Green/ bottom Red Railroad SignalsHO scale 1:87made of LEDs with resistors and ready for 12V or 16V use  with screw base for easy installation Default: common anode signals.you may inform me via the note when pay if you need common Cathode signal.   Characteristic Price is for 1 units Size for each : please check from the photo for HO scale 1:87 the signal head is made from Plastic Brand new PRODUCT  DESCRIPTION  You mayControl them automatically by moving train ( click here ) Control them manually? ( click here )...