System Sensor S241575 This alarm is a red SpectrAlert Classic remote strobe. Brand System SensorModel S241575Manufacturer System SensorType Alarm (Strobe)
Wheelock MB-G10-24-R Category : WheelockI’m missing this unit’s label, so that model number is only a guess. It’s probably right though.
Simplex 4903-9417 Category : SimplexThis is a SmartSync TrueAlert which I am able to use with my Simplex 4010.