Gentex GX-90S-4 Category : Gentex This is the older version of the Gentex GX90s-4-15/75WR with the non-ADA strobe. Brand GentexModel GX-90S-4Manufacturer GentexType Alarm (Horn/Strobe)
Simplex 4903-9102 Category : SimplexUnlike the Simplex 4903-9101, this is a light plate rather than a strobe.
