Each has double head, completed with wires and bulbsMainly used to decorate your model layoutThese delicate model garden lights are mainly used in teaching, photography, and various kinds of scene model. Each of them is completed with wires and has double heads, which can be lighten with 6V . These model lights measure about 7cm high. Light up your model layout with this great model lamppost Voltage: 6V: 1 WHeight: Approx. 2.76 inch / 7cmScale: 1:100Material: PlasticMain Color: BlackNote: Each lamp has 4 wires altogether. When you connect these wires with the , please connect two long wires with one end and connect the rest two short wires with another end.Package Include:20 x model garden lightsNote: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 +/- 1-3 cm.