K4's 531 Series Contura II switch. This switch uses a rocker actuator that is illuminated with two red LED squares. The LEDs light up for when the switch is toggled on, the top one for up the bottom one for down.

´ Internal Sealed
´ Rated for 12v and 20 Amps
´ Silver Contacts
´ Endurance of 150,000 Cycles
´ .250 Tab Terminals