Simplex 4903-9417 Category : Simplex This is a SmartSync TrueAlert which I am able to use with my Simplex 4010. Brand SimplexModel 4903-9417Manufacturer SimplexType Alarm (Horn/Strobe)
System Sensor SP1W2475ADA Category : System SensorThe strobe portion can detach from the speaker body.
Amseco BZ-54VT+RSD-24L Category : AmsecoThat rubber band is holding the strobe to the unit since there are no screws keeping it secure.
