System Sensor SR This is a SpectrAlert Adavnced remote strobe. Brand System SensorModel SRManufacturer System SensorType Alarm (Strobe)
Simplex 4251-20 Category : SimplexI believe this is an older, less seen model of 4251-20. It has a slightly different handle from my other...
Amseco BZ-54VT+RSD-24L Category : AmsecoThat rubber band is holding the strobe to the unit since there are no screws keeping it secure.
Wheelock 7002T-24 Category : WheelockEach 7002T-24 has a somewhat different pitch, so I’ve kept several that sound different from each other.
