Faraday 401140 Category : Faraday I use this to control my mini system. I have wired this up in such a way that the system is capable of doing of audible silence. Brand FaradayModel 401140Manufacturer FaradayType Control Unit
System Sensor SP2R2475 Category : System SensorThis speaker/strobe was around at the same time as the SpectrAlert Classic series.
System Sensor MASS24LO Category : System SensorThis alarm is capable of doing multiple tones. The MASS241575ADA is the updated version of this.
