The siren works, it is very loud air raid type sound with a high and low pitch depending on speed of motor: WRRAAAHHHRRRR!!!! It is in very nice condition.
There have been a few colors of primer? Applied throughout the years It appears original color was red. One very small ding (2nd to last pic).
Plate intact with serial number and Military contract number (DA) indicating 1953-61 date range, according to my limited research. Please look at the pictures carefully and do your research if you are going to use it on a specific vehicle. Length 14" H 8.5" W 9.5 Weight 12lbs. The item "FEDERAL SIREN MODEL XG 24 VOLT, MP, AMBULANCE, FIRE, KOREAN WAR, EARLY VIETNAM" is in sale since Tuesday, July 3, 2018. This item is in the category "Collectibles\Militaria\1954-60\Original Period Items".The seller is "hanksnow0_1" and is located in Pensacola, Florida. This item can be shipped to United States.