Illuminated Push Button Switch, Blue, 20 Amps @ 12 Volt DC, SPST (ON/OFF)Automotive Switch Specifications:Rated: 20 Amps at 12 Volt DCSPST (ON/OFF) Normally OpenBlue LED is Illuminated when the Switch is in the ON PositionThe 2 Tinned Terminals are the Switch ContactsThe Brass Terminal is the Ground for the LED. (LED is Polarity Sensitive)Quick Connect Terminals are 0.187″Snap in mounting design for ease of installation. Switch Cutout ~.78″See image 2 for Switch Dimensions in MilimetersCES66-2491