A 100mm diameter (outside diameter) dome illuminated push button comes with an LED, securing nut and a pre-installed long life horizontal microswitch. Button can also be adjusted to a low profile button by removing the middle ring.
LED indicator light runs at 12VDC
Bulb holder is easy to install or remove
3 Terminals Button Actuator microswitch included
Microswitch reliability tested to 10,000,000 cycles