Faraday 5940 Category : Faraday You can see straight through the grille on this horn to the metal plate on the mechanism. Brand FaradayModel 5950Manufacturer FaradayType Alarm (Horn)
System Sensor 4WT-B Category : System SensorThis 4-wire smoke detector also has a thermal heat sensor.
Siemens SE-MC-W Category : SiemensA Speaker/Strobe, manufactured by Wheelock and rebranded by Siemens.
