4X 3 Color Light Signals Ho Oo Scale Model 6LED for DIY Sand Table Crossing Street Construction Model 4

You can also connect with 5V transformer without circuit board black wire with positive and the other three with negative. Great accessories for buildings models. Colour:black Material:plastic+metal Size:7 x 8 x 0.5cm Package Contents: 4 x lights 4 x control panel Only the above package content other products are not included. Note: Light 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.