It's the end of the world, and you need a button to press. This is it. 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. Features: * 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 * Microswitch can be replaced * Polycarbonate lens cap for optical clarity Dimensions: * 100 mm Diameter x 72 mm Height * Net weight: 100grams * Mounting hole diameter: 24 mm Documents: * Whack-Dome Demo Video * Whack-Dome Demo Sketch https://elecena.pl/product/838547/big-dome-pushbutton-red 2009-04-21 https://elecena.pl/product/838547/big-dome-pushbutton-red 2016-11-25 https://elecena.pl/product/838547/big-dome-pushbutton-red 2016-11-28 https://elecena.pl/product/838547/big-dome-pushbutton-red 2016-11-29 https://elecena.pl/product/838547/big-dome-pushbutton-red 2016-12-09 https://elecena.pl/product/838547/big-dome-pushbutton-red 2016-12-13 https://elecena.pl/product/838547/big-dome-pushbutton-red 2017-11-24 https://elecena.pl/product/838547/big-dome-pushbutton-red 2017-11-28 https://elecena.pl/product/838547/big-dome-pushbutton-red 2018-05-05 https://elecena.pl/product/838547/big-dome-pushbutton-red 2018-08-22 https://elecena.pl/product/838547/big-dome-pushbutton-red 2018-11-21 https://elecena.pl/product/838547/big-dome-pushbutton-red 2018-11-27 https://elecena.pl/product/838547/big-dome-pushbutton-red 2022-02-22 https://elecena.pl/product/838547/big-dome-pushbutton-red 2025-04-11 https://elecena.pl/product/838547/big-dome-pushbutton-red 2025-04-14