St. Charles, IL(March 1, 2012) – System Sensor announced that its new SpectrAlert Advance Dual Strobe and Dual Strobe with Speaker Expander Plates can cut costs, simplify installation, and improve ...
for outdoor use from -40F to 151F. System Sensor is now offering a complete line of outdoor products to complement an already broad line of notification appliances. The horn (H12/24K), horn/strobe ...
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