Simplex 4903-9168 Category : Simplex This is a Speaker/Strobe. The strobe’s rating is 15 cd. Brand SimplexModel 4903-9168Manufacturer SimplexType Alarm (Speaker/Strobe)
Cerberus Pyrotronics EH-24S Category : Cerberus PyrotronicsThis unit is missing the large capacitor off of its circuit board.
Simplex 4903-9101 Category : SimplexSince this is a ceiling-mount unit, it’s model number is probably different from 4903-9101, but I couldn’t figure out what...
