Feature: Also can use other appliances with terminal. Line nose aperture is 6.0 mm. With green LED indicator light, about 2mA current almost no electricity. This is a standard parts, apply to almost all models of cigarette lighter socket. RVB 2 X 1.5 square red and black cable, red cord is positive, black cord is negative. Cigarette lighter plug already soldered with electric iron, plug and play. After cold nose pliers pressure line and then solder and welded, robust and reliable, and never fall off. Wire Size: The wire diameter is 0.11811 inch. One Red wire, One Black wire. Two wire diameter is 0.23622 inch. The size of the hole in the ring terminal: 6mm Wire Length: 60cmincludes:1 x Wire Cigarette Lighter Plug