A snazzy black 16mm momentary button with a yellow/amber illuminated ring. We recently switched to using this button for our Picade - it's nice and sturdy, with a comforting orange glow when it's turned on. It's also waterproof! Features Momentary switch Black metal casing with a yellow/amber LED Reversible polarity LED IP67 waterproof Contacts: Single Pole Double Throw 2.8mm spade connectors for switch (labelled NC, NO and C) 2.8mm spade connectors for LED (labelled 1 and 2) 16mm diameter Screw-fit Pinout Datasheet Notes Suitable for mounting in panels between 1 and 9mm thick Overall depth (including spades): 34.8mm Hole diameter: 16mm Cap dimensions: 3mm high Button fascia diameter: 18mm Ensure that you use a suitable current-limiting resistor for the LED We power ours from 3v3 on the Pi and use a 330 ohm resistor.