price for 1 complete crossing signals( without circuit board flasher )complete with wires and LEDs and can be lighted alternately.common anode with 3 lead wiresarm position: up down to left side ( default ), please message me right after payment if you need the arm up down on right side signal.with 2 TRACKS sign ( default ), with 3 TRACKS sign or no track sign signals available if message me again 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: DC 3V, ( don't use them on more than 3V unless wire resistors with them )operating current: 20mA each LED.Material:...