Switch That Changes Intensity of Lights in a Room
This page is the CodyCross answer for the clue below from Casino, Group 261, Puzzle 4 (Surveillance Cameras).
Question is: Switch That Changes Intensity of Lights in a Room
and the answer is: DIMMER
Word Meaning:
DIMMER — A rheostat that is used to vary the intensity of a domestic electric light
Definitions from Wiktionary.