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