Round led circular ceiling spotlight pluto in a 4 bulb designthis led circular ceiling spotlight is equipped with an easydim function and can easily be dimmed using a standard wall switch if you press this two more times in quick succession within less than two seconds after turning the light on the light is slowly and infinitely dimmed to 10 of its full brightness all the levels of brightness in between can be set by pressing the wall switch twice in quick succession for a second time t