Simplex 4050 This horn runs on AC power and goes with my the Simplex 4050-001 light plate. Brand SimplexModel 4050Manufacturer Federal SignalType Alarm (Horn)
Simplex 4904-9139 Category : SimplexI believe that this strobe plate was designed to be used with bells, such as the Simplex 2901-9333.
Simplex 2904-9102 Category : SimplexI had to take a guess as to what this ceiling-mount light’s model number is, so 2904-9201 may not be...