New 16mm 12V Car Silver Metal Stainless Steel with Built-in Latching Annular White LED Lighted Push Button Metal Switch Silver Stainless Steel Pushbutton Switch Switch Rating:5A/250VAC The Front Shape:Flat Round Works well with the Mac Mini and any device that requires a momentary 12V pulse to initiate on/off functions Remember never can take C positive, take the NC and NO negative, this switch is sure to burn