- Each corresponds to the color of the glowing colors, the green is the green LED, the red is the red LED, the yellow is the yellow LED
- Black wire is for , the other three are for negative.
- Two side 3-color red/green/yellow lights.Lights include red, green and .Prewired
- You can also connect with 5V transformer without circuit board, black wire with , and the other three with negative.
- Great accessories for , buildings, models