Price is for 1 completeGreen/Yellow/Red TRAFFIC SIGNALSO scale with 7 lead wires, the black is common anode wire, and the other 6 wires are cathode for each LED Characteristic Price is for 2 complete signals Size for each : Approx. 90mm or 3.94 inch Height for O scale layouts Metal made.Brand new PRODUCT DESCRIPTION you may control them manually by 4 position switch.orClick Here To Buy the Signal Controller...