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 ...

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 ...

The SpectrAlert dual-strobe series provides two stages of notification for life safety for security, evacuation, tornado alerts and other emergencies. The series is UL 1638 listed and can be ...

These new plates enable installers to combine the functions of two to three devices on a single mounting plate and back box, lowering the overall cost of the installation and improving aesthetics by ...