Shop Nilight FOG Push Button Small Switch. The ON-OFF rocker switch with SPST design (single pole single Throw) is manufactured to fit in the OEM switch blank for your cars. It comes with a small pigtail that plugs into the back of the switch for better installation. It is perfect for controlling Led Light Bars, Led Work Lights, Fog Lamps, Headlights, Taillights, and Auxiliary Lamps, etc.