Gentex GEC3-24WR Category : Gentex This alarm is from the Gentex Commander 3 series. It has multiple tones and has multiple candelas settings for the strobe. Brand GentexModel GEC3-24WRManufacturer GentexType Alarm (Horn/Strobe)
Gentex GX91-W Category : GentexThis alarm is the “updated” version of the Gentex GX90 (Simplex GX90-4R) series.
System Sensor P4R Category : System SensorUnlike my System Sensor P2R, this alarm does 4-wire operation.
