System Sensor P4R Unlike my System Sensor P2R, this alarm does 4-wire operation. Brand System SensorModel P4RManufacturer System SensorType Alarm (Horn/Strobe)
Gentex GEC24-15/75PWW Category : GentexThis Commander 2 could be used for a purpose other than fire protection due to its missing “Fire” labels.
Silent Knight SK-PHOTO Category : Silent KnightPersonally, I think that the Silent Knight logo on the head of this smoke is a bit ugly.