FEDERAL SIGNAL SIREN IC/S1S4 tested works loud US Navy USS Austin LPD-4
Tested January 2022, VERY loud, works well. Connection box interior is immaculate. Many uses, including as a security alarm. Original wire is cut.
Tested January 2022, VERY loud, works well. Connection box interior is immaculate. Many uses, including as a security alarm. Original wire is cut.