The red wire is the anode and the black wire is the cathode.
These pre-wired LED bulbs are perfect for creating your own custom LED setup!
These pre-wired LEDs are very helpful props for model train Layout and building, train station layout and DIY project model.
Tags:$0 - $20,Blue,Green,LED Bulbs,Lighting & Ceiling Fans,Orange,Red,Tools & Home Improvement,Warm White,White,Yellow
Color - White,Red,Yellow,Blue,Green,Warm White