12V Aluminum Metal Push Button Switch Latching white Led 18mm The crust material: Black Plastic,Button Diameter:10mm,Head Diameter: 18mm,Hole size required:16mm,Depth inc contacts: 36mm Metal material,high quality, high-grade appearance and nice touch feeling.Switch Rating:6A/125VAC,LED Voltage: 12V only Latching type: Push it-- on,Push it again--Off LED built on it's own circuit,lighted when on. or could be wired to make it lighted alternate. Be widely used in various types of motor starting,power starting device,and can be also be a access control button