Review on Enhance Your Car's Aesthetics with ESUPPORT 12V Car Auto Green LED Light Momentary Speaker Horn Push Button Metal Toggle Switch 19mm Socket Plug by Kari Barley

Good quality switch with good quality connector, just make sure the connector is oriented correctly as the pins will bend easily if you're not careful. The switch has excellent tactile feedback, so you'll know for sure when the button is pressed. The light adjusts to brightness and does not flicker or change brightness. Of course, if you don't want it to be on all the time, plug it into a switched power supply.