This button is a momentary push button, when you press it the 'normally-open' contact shorts to the common contact. When you release it, the contacts open up again.The switch and LED are separated, so you could wire it to turn on when pressed or vice versa or whatever you wish!
Adafruit Industries, Unique & fun DIY electronics and kits Rugged Metal Pushbutton with Blue LED Ring [16mm Blue Momentary] : ID 481 - These chrome-plated metal buttons are rugged and look real good while doing it! Simply drill a 16mm hole into any m
Push Button Repair|Power Button Symbol On Off|Waterproof Momentary Switch:Reliable 12mm momentary switch withstands water, perfect for outdoor or wet environments. Arduino Compatibility:Easily integrates with Arduino projects, simplifying your DIY electronics endeavors. ...