Two side 3-color red/green/yellow traffic lights.Lights include red, green and amber bulbs.Prewired quality productsBlack wire is for positive, the other three are for negative.Each line corresponds to the color of the glowing colors, the green line is the green LED, the red line is the red LED, the yellow line is the yellow LEDYou can also connect with 5V transformer without circuit board, black wire with positive, and the other three with negative.Great accessories for diorama, buildings, train modelsVoltage: 5VCurrent: 60MAPower: 0.36WColor: BlackMaterial:PlasticApplication: Construction sand table model / DIY materialsPackage Content: 1* Traffic Light1* control panelOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.