1 x HO Scale railroad crossing signals 2 tracks LED made 4 target faces silver

Price is for 1 complete4 heads Common Anode Railroad Crossing Signal with 2 tracks sign( without circuit board falshers )HO Scale  with screw base for easy installation      default common anode may inform me via the Paypal's note if you need common cathode signal Characteristic Price is for 1 complete signal Size for each : please check from the photos for HO layouts Brand new PRODUCT  DESCRIPTION  you may click the following photo to buy the flasher circuit board:you may control them manuallyor        Control them automatically by moving train ( click the above photos )...