St. Charles, IL - System Sensor's SpectrAlert Advance, the industry's newest, most refined series of audible/visible notification appliances, includes indoor and outdoor selectable-output horns and ...

St. Charles, IL – System Sensor is introducing its Mini-Horns, the latest release in its newest series of audible/visible notification appliances, SpectrAlert(R) Advance. The Mini-Horns are ideal ...

The System Sensor SpectrAlert® Advance line of low frequency notification appliances – which includes sounders, sounder strobes, and sounder bases – is designed to meet the NFPA 72® sleeping space ...

The SpectrAlert advance low-frequency sounders and sounder strobes by System Sensor of St. Charles, Ill., are the first notification appliances to meet the new NFPA 72 2010/2013 low-frequency ...

The SpectrAlertAdvance clear dual strobe with speaker expander plates by System Sensor of St. Charles, Ill., combine the functions of two to three notification devices on a single mounting plate and ...

ST. CHARLES, Ill.—System Sensor's low frequency notification application guide—which provides information on low frequency fire and carbon monoxide notification appliance requirements—is now available ...