A contemporary LED companion control dimmer allows for multiple control locations for a single light.
This is the companion control to the taupe finish Blue LED multilocation dimmer (item number 13734). It is used when you have more than one wall switch to control the same light. A multilocation Vierti dimmer must be used as the main control, this is sold separately, item number 13734.
Multilocation Taupe finish.
Vierti LED Companion Control.