The SBN 120 is a very bright, daylight visible LED matrix light.
It is designed for use as a panel box alarm light, but it has many applications.
It requires only a 3/4" knockout. (1-1/16" diameter hole.) It can be installed
on panels up to 1/4" thick. We've modified the connection barrier to simplify
wiring. Large mounting nut for easy installation. UL Recognized. (E121431) For
use in Type 3, 3R, 4, 4X, 12, and, 13 environments.