price for 1 complete signal ( common anode )SMD LEDs made2 independent targets showing ( lower: Green/Amber/Red ) and ( top: Green/Red light ).the black wire is Common Anode wire, the color wires are cathode wires.ladder position: on right side ( default ), please message me right after payment if you need the ladder on left side signal.Specifications:Brand: WeHonest Model.Size: Please check it from the above photo.Reference Scale: Suitable for OO/HO scale layouts.Operating Voltage: 3V DC only. ( do NOT use it on 12V DC directly, must wire a 620 ohm resistor with the black wire if use on 12V DC )Operating Current for each light: 20mA.Material: steelPackage included:1 complete ...