price for 1 complete signal ( common anode )SMD LEDs mademay show Green/Red light.3 wires for each target, 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.with thread base for easy installation.common cathode signals available if message me right after payment.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 )Operat...