Price is for 2 completeRailroad Crossing Signals silver column( Come with 1 circuit board falshers )OO scale or HO Scaledefault Common Anode ( common cathode available too ) they can be lighted and flash alternatively Characteristic Price is for 2 x silver crossing signals + 1 circuit board flashers Size for each : please check from the photos for HO Scale: 1:87 layouts Brand new PRODUCT DESCRIPTION you may control them manuallyorControl them automatically by moving train ( click the following photos ) &...