e/Federal Signal Modulator

Information
has gloss	eng: Federal Signal Modulators are electronic warning sirens produced by Federal Signal Corporation that are used to alert the public about tornadoes, severe weather, earthquakes, fires, lahars or any other disaster. These sirens have a high-pitched sound produced by speakers. They are identified mostly by their distinct design.
lexicalization	eng: Federal Signal Modulator
instance of	c/Sirens

Media
media:img	Bayheadmod.jpg