These corrosion-resistant toggle switches clearly indicate when the switch is "on."Non-corrosive plastic construction for damp environmentsLights through tip of toggleIlluminates white when panel lights are onChanges to red light when switch is onBrass blade terminalsSilver contacts15/32"L x 15/32"-32 mounting stemRated 20A @ 12V DCModelSierra Part #Switch FunctionType10530855TG19530Momentary ON-OFF-Momentary ONDPDT4613444TG40330Momentary ON-OFF-Momentary ONSPDT4596219TG40340ON-OFF-Momentary ONSPDT10530848TG19520ON-OFF-ONDPDT4731709TG40310Momentary ON-OFFSPST