Non-corrosive plastic construction. Illuminates white when panel lights are OFF, changes to red when switch is ON. Brass blade terminals, silver contacts. 15/32" L x 15/32" -32 mounting stem. Rated: 20 amps @ 12 VDC. On in parenthesis (On) indicates a momentary position. Positions On/Off/On Terminals 5 Blade Type SPDT