New 60mm Dome Buttons With -Switch<br> This illuminated button comes complete with fixing ring, 12v LED, bulb holder and microswitch. The LED requires a 12v power supply.<br> This can be taken from a spare molex connector on a PC power supply or a Jamma harness. perfect for projects including machine builds, commercial, exhibitions and academic.<br> These buttons require 4.8mm crimped wires for connection. 1 wire for ground connection (CO) and 1 wire for signal connection (NO).<br> 1 wire for the connection and 1 wire for the negative connection (if the LED does not work. Please exchange LED lights interface.)<br> Colour: As shown<br> Material: Nylon<br> Size: 6.3x5.6x2.3cm<br> Package Contents:<br> 5 * Buttons<br> Only the above package content, other are not included.<br> Note: Light and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.