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Did you know?
Cant hear your existing doorbell in your basement, garage, shed, etc. With wireless ease extend the chime to greater distances.
STI Products Work!
At my old fire department, I suggested the use of STI Stopper II covers over manual pull stations to prevent false fire alarms at the courthouse and they did the job. You make a good product, STI!
Fire Prevention Officer
Mount Pulaski Phoenix Fire Department