Smoke lens. Miniature lights with 2 super bright SMD LEDs and a smoke ECE approved lenses. Plastic construction with a black anodized aluminum ring that fits over the body. Dimensions: 22mm diameter x 12mm deep. The threaded bolt on the rear is M8 x 12mm. Yellow wire = taillight; red wire = brake light; blue wire = turn signal; black wire = ground. Note: Installs in a 8mm mount hole. Alternatively Apollo lights can be flush-installed in a 20mm diameter hole; when the aluminum ''body ring'' is removed; so just the lens is visible. Note: An optional steel housing; for more installation options; is separately available as 922198.