Brand New 16mm Latching Switch; Black Shell Ring LED; LED voltage: 12V only, Hole size required: 0.63''/16mm Latching Push Button Switch: Push it, ON; Push it again, OFF. Contact Configuration ...

Before we could turn on our overhead lights with the simple flick of a switch, we had push buttons. In 1884, electrical engineer John Henry Holmes created the push button light as an easy way for ...