These Super-Clean flush buttons allow you to add a switch to your vehicles interior without compromising your automotive style. Available in a variety of colors these LED illuminated buttons feature a glowing ring to indicate power function. Heavy-Duty brass assembly has a durable nickel-plated finish. The metal housings have a definitive click you can feel when engaged. Mechanical Lifetime is tested at over 200,000 fail-free duty cycles! 16mm Diameter.