1 x O scale railroad crossing signals LED made 2 target faces 2 tracks black

Price is for 1 complete2 heads 2 tracks Railroad Crossing Signal( without circuit board falshers )O Scale   with screw base for easy installation      they can be lighted  Shipping and DiscountsCharacteristic Price is for 1 complete signal Size for each : please check from the photos work on DC 3V 20mA 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 )...