20 Amp 12 Volt ON-OFF Rocker Switch LASER ETCHED WITH TWO L.E.D. LIGHTS Single Pole Single Throw ON-OFF Switch. Black hard surface rocker. Surface size is 2" (50mm) x 1"(25mm). Standard size mounting hole 1.41"(36mm) x .86"(22mm). This is the standard size of most switch holes in modern vehicles. Upper light is ON when the switch is pressed UP. Lower LED is independent and can be wired to separate dash light circuit. Both LEDs have separate grounds. No rear barriers between terminals. Lower light Waterproof rating of IP66. All symbols are laser etched directly onto the switch face to ensure long image life.